Looking for there are 3 identical springs hanging from the ceiling. Nothing is attached to the first spring. A 4.6 N block hangs from the second spring and stretches it 15cm. A block of unknown weight stretches the third string 30cm. Determine the weight?

Grid List

Auction

Table Lamp purple

Owner

Aberdeen
15.10.2025 111630

£ 4

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IRWIN RECORD NO 52 7 INCH PLAIN SCREW BE...

Owner

Bailleston
15.10.2025 110270

£ 40

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Fusion 5 laptop

Owner

Aberdeen
15.10.2025 109886

£ 80

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Static caravan Abi Westwood 30x13 2bedro...

Owner

Bradford-on-Avon
15.10.2025 110303

£ 12000

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Static Caravan Atlas Expression 39x12 2b...

Owner

Boston
15.10.2025 106768

£ 20000

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Static Caravan Mobile Home ABI Sunningda...

Owner

Basildon
15.10.2025 108258

£ 18995

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Static Caravan Willerby Bermuda 35x12 2b...

Owner

Bradford-on-Avon
15.10.2025 109297

£ 5500

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Static Holiday Caravan For Sale COMING S...

Owner

Bath
15.10.2025 111004

£ 11000

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Static Holiday Caravan For Sale COMING S...

Owner

Harlescott
15.10.2025 109371

£ 11000

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Swift caravan for sale £1,995

Owner

Biddulph
15.10.2025 111450

£ 1995

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Vango Kalari 380 Air Awning

Owner

Fern Down
15.10.2025 108846

£ 500

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WILLERBY LODGE FOR SALE RHYL PRESTATYN T...

Owner

Prestatyn
15.10.2025 109151

£ 127995

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4 bedroom flat in St Marys Chare, Hexham...

Owner

Ashington
15.10.2025 109817

£ 950

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ABI Coniston in Stratford Upon Avon -...

Owner

Boston
15.10.2025 106827

£ 46899

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BEAUTIFUL HOLIDAY HOME FOR SALE NORTH WA...

Owner

Colwyn Bay
15.10.2025 109728

£ 23995

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Auction

Buccaneer Aruba Silver Sided 6 Berth Fix...

Owner

Aberdeen
15.10.2025 108882

£ 29999

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Auction

CHEAP STATIC CARAVAN FOR SALE PRESTATYN...

Owner

Prestatyn
15.10.2025 108178

£ 22995

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CHEAP STATIC CARAVAN FOR SALE WALES BARM...

Owner

Menai Bridge
15.10.2025 111011

£ 24995

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Auction

Delta Sky Royal 40x13 Static Caravan, Lo...

Owner

Harrogate
15.10.2025 109333

£ 24999

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Auction

Lunar Quasar 546 cosmos 2011

Owner

Prestwick
15.10.2025 109487

£ 9500

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Auction

OWNER ONLY CARAVAN PARK / SITED STATIC C...

Owner

Prestatyn
15.10.2025 108399

£ 19995

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Auction

Pemberton Park Lane Vista

Owner

Colwyn Bay
15.10.2025 107824

£ 39995

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Auction

Roof bars for Volvo XC70

Owner

Bailleston
15.10.2025 108208

£ 50

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Auction

set of 235 55 18 hankook tyres 6-7mm tre...

Owner

Giffnock
15.10.2025 106981

£ 100

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Auction

SMART FORFOUR MK2 (453) 15-16 0.9 PETROL...

Owner

Aberdeen
15.10.2025 109237

£ 250

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Auction

Car jack

Owner

Loughor
15.10.2025 107339

£ 35

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Auction

Car window Tinting |same day service

Owner

Barking and Dagenham
15.10.2025 109534

£ 80

Distribuie

Auction

2007 Sterling Eccles Jewel

Owner

Broadwater
15.10.2025 109040

£ 6995

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Auction

2013 BAILEY Pegasus gt65 rimini 4 Berth...

Owner

Colwyn Bay
15.10.2025 108970

£ 11495

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Auction

2014 Lunar Quasar 554 Fixed single beds

Owner

Broadwater
15.10.2025 109398

£ 10995

Distribuie

Auction

2014 SWIFT BORDEAUX 38ft/12ft 3 BEDS STA...

Owner

Buckley
15.10.2025 108499

£ 12000

Distribuie

Auction

2016 Bailey Pegasus Modena

Owner

Abingdon
15.10.2025 110905

£ 15995

Distribuie

Auction

2007 BMW 3 series, 2.0 diesel, breaking...

Owner

Aberdeen
15.10.2025 109313

£ 50

Distribuie

Auction

2012 Honda CR-V, 2.2 diesel, breaking fo...

Owner

Aberdeen
15.10.2025 112028

£ 50

Distribuie

Auction

Car tyres & commercials good branded tyr...

Owner

Aberdeen
15.10.2025 108301

£ 40

Distribuie

Auction

Gear knob

Owner

Linlithgow
15.10.2025 111143

£ 9

Distribuie

Auction

Keith Breakspear

Owner

Newbury
15.10.2025 109462

£ 95

Distribuie

Auction

Manual gearbox for VW Crafter 2.0 TDI Di...

Owner

Aberdeen
15.10.2025 109220

£ 1100

Distribuie

Auction

matching pair 255 40 17 accellera tyres...

Owner

Giffnock
15.10.2025 108388

£ 70

Distribuie

Auction

matching pair 305 30 21 goodyear eagle f...

Owner

Giffnock
15.10.2025 109787

£ 160

Distribuie

Auction

MINTEX FRONT PADS AND DISCS

Owner

Arnold
15.10.2025 107508

£ 45

Distribuie

Auction

Sidi vortice boots

Owner

Aberdeen
15.10.2025 108453

£ 100

Distribuie

Auction

Lenovo ThinkPad T470 laptop 32gb ram mem...

Owner

Barking and Dagenham
15.10.2025 111575

£ 180

Distribuie

Auction

Car 12v battery 90ah 900a

Owner

Barwell
15.10.2025 108382

£ 60

Distribuie

Auction

Car Ramps - Vintage Wood Car Ramps.

Owner

Lowestoft
15.10.2025 109707

£ 20

Distribuie

Auction

Car vorkshop manual triumph / volvo.

Owner

Appledore
15.10.2025 108294

£ 3

Distribuie

Auction

Fiat doblo parts

Owner

Leith
15.10.2025 111119

£ 15

Distribuie

Auction

New Bentley battery conditioner/charger

Owner

Aberdeen
15.10.2025 110800

£ 100

Distribuie

Auction

Selection of car manuals, mostly Mustan...

Owner

Lowestoft
15.10.2025 108554

£ 35

Distribuie

Auction

Trailer / cycle rack light set

Owner

Leith
15.10.2025 110808

£ 10

Distribuie

Auction

CLASSIC MINI WATER PUMP QCP 3709.

Owner

Anstruther
15.10.2025 108184

£ 15

Distribuie

Direct Sale

Propnotes

Golf cart for sale near m...

Boston
15.10.2025 62281

£ 200

Distribuie

Auction

2004 BMW X5 3.0d Sport 5dr Auto ESTATE D...

Owner

Gorleston-on-Sea
15.10.2025 107916

£ 3699

Distribuie

Auction

2016 BMW M4 M4 2dr DCT COUPE Petrol Auto...

Owner

Arnold
15.10.2025 108422

£ 22990

Distribuie

Auction

BMW M135i XDrive. 302BHP.

Owner

Aberdeen
15.10.2025 108185

£ 24950

Distribuie

Auction

2014 Black Transit Custom Ltd Swb H2 cam...

Owner

Banff
15.10.2025 110105

£ 17500

Distribuie

Auction

caravan aqua waste water roller

Owner

Aberdeen
15.10.2025 110308

£ 20

Distribuie

Auction

CARAVAN ITEMS

Owner

Harlescott
15.10.2025 111325

£ 40

Distribuie

Auction

Vango Galli Compact air drive away awnin...

Owner

Maesteg
15.10.2025 109792

£ 299

Distribuie

Auction

2 Sleeping Bag Liners With Pillow Insert...

Owner

Addlestone
15.10.2025 109197

£ 5

Distribuie

Auction

Table Lamp purple

Owner

Aberdeen 15.10.2025

£4

Distribuie

Auction

IRWIN RECORD NO 52 7 INCH PLAIN SCREW BENCH VICE IN EXCELLENT CONDITION

Owner

Bailleston 15.10.2025

£40

Distribuie

Auction

Fusion 5 laptop

Owner

Aberdeen 15.10.2025

£80

Distribuie

Auction

Static caravan Abi Westwood 30x13 2bedroom DG/CH - Free UK Delivery

Owner

Bradford-on-Avon 15.10.2025

£12000

Distribuie

Auction

Static Caravan Atlas Expression 39x12 2bedroom DG/CH - Free UK Delivery

Owner

Boston 15.10.2025

£20000

Distribuie

Auction

Static Caravan Mobile Home ABI Sunningdale 38x12ft 3 Beds SC8388

Owner

Basildon 15.10.2025

£18995

Distribuie

Auction

Static Caravan Willerby Bermuda 35x12 2bedroom DG/CH - Free UK Delivery

Owner

Bradford-on-Avon 15.10.2025

£5500

Distribuie

Auction

Static Holiday Caravan For Sale COMING SOON Willerby Vogue 1 Bedroom,

Owner

Bath 15.10.2025

£11000

Distribuie

Auction

Static Holiday Caravan For Sale COMING SOON Willerby Vogue 38FTx12FT, 1 Bedroom

Owner

Harlescott 15.10.2025

£11000

Distribuie

Auction

Swift caravan for sale £1,995

Owner

Biddulph 15.10.2025

£1995

Distribuie

Auction

Vango Kalari 380 Air Awning

Owner

Fern Down 15.10.2025

£500

Distribuie

Auction

WILLERBY LODGE FOR SALE RHYL PRESTATYN TOWYN CONWY

Owner

Prestatyn 15.10.2025

£127995

Distribuie

Auction

4 bedroom flat in St Marys Chare, Hexham, NE46 (4 bed) (#2045280)

Owner

Ashington 15.10.2025

£950

Distribuie

Auction

ABI Coniston in Stratford Upon Avon - Lodge / Caravan

Owner

Boston 15.10.2025

£46899

Distribuie

Auction

BEAUTIFUL HOLIDAY HOME FOR SALE NORTH WALES COAST LINE, FREE 2024 SITE FEES

Owner

Colwyn Bay 15.10.2025

£23995

Distribuie

Auction

Buccaneer Aruba Silver Sided 6 Berth Fixed Bed Side Dinette

Owner

Aberdeen 15.10.2025

£29999

Distribuie

Auction

CHEAP STATIC CARAVAN FOR SALE PRESTATYN TOWYN RHYL CONWY

Owner

Prestatyn 15.10.2025

£22995

Distribuie

Auction

CHEAP STATIC CARAVAN FOR SALE WALES BARMOUTH

Owner

Menai Bridge 15.10.2025

£24995

Distribuie

Auction

Delta Sky Royal 40x13 Static Caravan, Lodge, Mobile Park Home, Chalet For Sale

Owner

Harrogate 15.10.2025

£24999

Distribuie

Auction

Lunar Quasar 546 cosmos 2011

Owner

Prestwick 15.10.2025

£9500

Distribuie

Auction

OWNER ONLY CARAVAN PARK / SITED STATIC CARAVAN FOR SALE / NORTH WALES / LL17 0EW

Owner

Prestatyn 15.10.2025

£19995

Distribuie

Auction

Pemberton Park Lane Vista

Owner

Colwyn Bay 15.10.2025

£39995

Distribuie

Auction

Roof bars for Volvo XC70

Owner

Bailleston 15.10.2025

£50

Distribuie

Auction

set of 235 55 18 hankook tyres 6-7mm tread £160 set fitd n bal £80 pair opn 7 days

Owner

Giffnock 15.10.2025

£100

Distribuie

Auction

SMART FORFOUR MK2 (453) 15-16 0.9 PETROL M281.910 semi-auto GEARBOX

Owner

Aberdeen 15.10.2025

£250

Distribuie

Auction

Car jack

Owner

Loughor 15.10.2025

£35

Distribuie

Auction

Car window Tinting |same day service

Owner

Barking and Dagenham 15.10.2025

£80

Distribuie

Auction

2007 Sterling Eccles Jewel

Owner

Broadwater 15.10.2025

£6995

Distribuie

Auction

2013 BAILEY Pegasus gt65 rimini 4 Berth fixed single beds motor mover

Owner

Colwyn Bay 15.10.2025

£11495

Distribuie

Auction

2014 Lunar Quasar 554 Fixed single beds

Owner

Broadwater 15.10.2025

£10995

Distribuie

Auction

2014 SWIFT BORDEAUX 38ft/12ft 3 BEDS STATIC DOUBLE GLAZED AND CENTRAL HEATED

Owner

Buckley 15.10.2025

£12000

Distribuie

Auction

2016 Bailey Pegasus Modena

Owner

Abingdon 15.10.2025

£15995

Distribuie

Auction

2007 BMW 3 series, 2.0 diesel, breaking for parts only, all parts available.

Owner

Aberdeen 15.10.2025

£50

Distribuie

Auction

2012 Honda CR-V, 2.2 diesel, breaking for parts only, all parts available.

Owner

Aberdeen 15.10.2025

£50

Distribuie

Auction

Car tyres & commercials good branded tyres

Owner

Aberdeen 15.10.2025

£40

Distribuie

Auction

Gear knob

Owner

Linlithgow 15.10.2025

£9

Distribuie

Auction

Keith Breakspear

Owner

Newbury 15.10.2025

£95

Distribuie

Auction

Manual gearbox for VW Crafter 2.0 TDI Diesel CKTB CKT MWB 0CB300040G 6 speed

Owner

Aberdeen 15.10.2025

£1100

Distribuie

Auction

matching pair 255 40 17 accellera tyres 6-7mm tread £70 pair fitd n bal opn 7 days

Owner

Giffnock 15.10.2025

£70

Distribuie

Auction

matching pair 305 30 21 goodyear eagle f1 tyres 6mm tread £160 pair fitd n bal opn 7 dys

Owner

Giffnock 15.10.2025

£160

Distribuie

Auction

MINTEX FRONT PADS AND DISCS

Owner

Arnold 15.10.2025

£45

Distribuie

Auction

Sidi vortice boots

Owner

Aberdeen 15.10.2025

£100

Distribuie

Auction

Lenovo ThinkPad T470 laptop 32gb ram memory 512gb SSD hard drive

Owner

Barking and Dagenham 15.10.2025

£180

Distribuie

Auction

Car 12v battery 90ah 900a

Owner

Barwell 15.10.2025

£60

Distribuie

Auction

Car Ramps - Vintage Wood Car Ramps.

Owner

Lowestoft 15.10.2025

£20

Distribuie

Auction

Car vorkshop manual triumph / volvo.

Owner

Appledore 15.10.2025

£3

Distribuie

Auction

Fiat doblo parts

Owner

Leith 15.10.2025

£15

Distribuie

Auction

New Bentley battery conditioner/charger

Owner

Aberdeen 15.10.2025

£100

Distribuie

Auction

Selection of car manuals, mostly Mustangs

Owner

Lowestoft 15.10.2025

£35

Distribuie

Auction

Trailer / cycle rack light set

Owner

Leith 15.10.2025

£10

Distribuie

Auction

CLASSIC MINI WATER PUMP QCP 3709.

Owner

Anstruther 15.10.2025

£15

Distribuie

Direct Sale

Propnotes

Golf cart for sale near m...

Boston 15.10.2025

£200

Distribuie

Auction

2004 BMW X5 3.0d Sport 5dr Auto ESTATE Diesel Automatic

Owner

Gorleston-on-Sea 15.10.2025

£3699

Distribuie

Auction

2016 BMW M4 M4 2dr DCT COUPE Petrol Automatic

Owner

Arnold 15.10.2025

£22990

Distribuie

Auction

BMW M135i XDrive. 302BHP.

Owner

Aberdeen 15.10.2025

£24950

Distribuie

Auction

2014 Black Transit Custom Ltd Swb H2 campervan 79600m

Owner

Banff 15.10.2025

£17500

Distribuie

Auction

caravan aqua waste water roller

Owner

Aberdeen 15.10.2025

£20

Distribuie

Auction

CARAVAN ITEMS

Owner

Harlescott 15.10.2025

£40

Distribuie

Auction

Vango Galli Compact air drive away awning

Owner

Maesteg 15.10.2025

£299

Distribuie

Auction

2 Sleeping Bag Liners With Pillow Insert, In Excellent Condition

Owner

Addlestone 15.10.2025

£5

Distribuie

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1077
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Table Lamp purple

£4 Distribuie Salveaza

IRWIN RECORD NO 52 7 INCH PLAIN SCREW BENCH VICE IN EXCELLENT CONDITION

£40 Distribuie Salveaza

Fusion 5 laptop

£80 Distribuie Salveaza

Static caravan Abi Westwood 30x13 2bedroom DG/CH - Free UK Delivery

£12000 Distribuie Salveaza

Static Caravan Atlas Expression 39x12 2bedroom DG/CH - Free UK Delivery

£20000 Distribuie Salveaza

Static Caravan Mobile Home ABI Sunningdale 38x12ft 3 Beds SC8388

£18995 Distribuie Salveaza

Static Caravan Willerby Bermuda 35x12 2bedroom DG/CH - Free UK Delivery

£5500 Distribuie Salveaza

Static Holiday Caravan For Sale COMING SOON Willerby Vogue 1 Bedroom,

£11000 Distribuie Salveaza

Static Holiday Caravan For Sale COMING SOON Willerby Vogue 38FTx12FT, 1 Bedroom

£11000 Distribuie Salveaza

Swift caravan for sale £1,995

£1995 Distribuie Salveaza

Vango Kalari 380 Air Awning

£500 Distribuie Salveaza

WILLERBY LODGE FOR SALE RHYL PRESTATYN TOWYN CONWY

£127995 Distribuie Salveaza

4 bedroom flat in St Marys Chare, Hexham, NE46 (4 bed) (#2045280)

£950 Distribuie Salveaza

ABI Coniston in Stratford Upon Avon - Lodge / Caravan

£46899 Distribuie Salveaza

BEAUTIFUL HOLIDAY HOME FOR SALE NORTH WALES COAST LINE, FREE 2024 SITE FEES

£23995 Distribuie Salveaza

Buccaneer Aruba Silver Sided 6 Berth Fixed Bed Side Dinette

£29999 Distribuie Salveaza

CHEAP STATIC CARAVAN FOR SALE PRESTATYN TOWYN RHYL CONWY

£22995 Distribuie Salveaza

CHEAP STATIC CARAVAN FOR SALE WALES BARMOUTH

£24995 Distribuie Salveaza

Delta Sky Royal 40x13 Static Caravan, Lodge, Mobile Park Home, Chalet For Sale

£24999 Distribuie Salveaza

Lunar Quasar 546 cosmos 2011

£9500 Distribuie Salveaza

OWNER ONLY CARAVAN PARK / SITED STATIC CARAVAN FOR SALE / NORTH WALES / LL17 0EW

£19995 Distribuie Salveaza

Pemberton Park Lane Vista

£39995 Distribuie Salveaza

Roof bars for Volvo XC70

£50 Distribuie Salveaza

set of 235 55 18 hankook tyres 6-7mm tread £160 set fitd n bal £80 pair opn 7 days

£100 Distribuie Salveaza

SMART FORFOUR MK2 (453) 15-16 0.9 PETROL M281.910 semi-auto GEARBOX

£250 Distribuie Salveaza

Car jack

£35 Distribuie Salveaza

Car window Tinting |same day service

£80 Distribuie Salveaza

2007 Sterling Eccles Jewel

£6995 Distribuie Salveaza

2013 BAILEY Pegasus gt65 rimini 4 Berth fixed single beds motor mover

£11495 Distribuie Salveaza

2014 Lunar Quasar 554 Fixed single beds

£10995 Distribuie Salveaza

2014 SWIFT BORDEAUX 38ft/12ft 3 BEDS STATIC DOUBLE GLAZED AND CENTRAL HEATED

£12000 Distribuie Salveaza

2016 Bailey Pegasus Modena

£15995 Distribuie Salveaza

2007 BMW 3 series, 2.0 diesel, breaking for parts only, all parts available.

£50 Distribuie Salveaza

2012 Honda CR-V, 2.2 diesel, breaking for parts only, all parts available.

£50 Distribuie Salveaza

Car tyres & commercials good branded tyres

£40 Distribuie Salveaza

Gear knob

£9 Distribuie Salveaza

Keith Breakspear

£95 Distribuie Salveaza

Manual gearbox for VW Crafter 2.0 TDI Diesel CKTB CKT MWB 0CB300040G 6 speed

£1100 Distribuie Salveaza

matching pair 255 40 17 accellera tyres 6-7mm tread £70 pair fitd n bal opn 7 days

£70 Distribuie Salveaza

matching pair 305 30 21 goodyear eagle f1 tyres 6mm tread £160 pair fitd n bal opn 7 dys

£160 Distribuie Salveaza

£4

Distribuie

£40

Distribuie

£80

Distribuie

£12000

Distribuie

£20000

Distribuie

£18995

Distribuie

£5500

Distribuie

£11000

Distribuie

£11000

Distribuie

£1995

Distribuie

£500

Distribuie

£127995

Distribuie

£950

Distribuie

£46899

Distribuie

£23995

Distribuie

£29999

Distribuie

£22995

Distribuie

£24995

Distribuie

£24999

Distribuie

£9500

Distribuie

£19995

Distribuie

£39995

Distribuie

£50

Distribuie

£100

Distribuie

£250

Distribuie

£35

Distribuie

£80

Distribuie

£6995

Distribuie

£11495

Distribuie

£10995

Distribuie

£12000

Distribuie

£15995

Distribuie

£50

Distribuie

£50

Distribuie

£40

Distribuie

£9

Distribuie

£95

Distribuie

£1100

Distribuie

£70

Distribuie

£160

Distribuie

£45

Distribuie

£100

Distribuie

£180

Distribuie

£60

Distribuie

£20

Distribuie