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

Massive King size Double Room with Bill...

Owner

Aylesbury
13.11.2025 113002

£ 650

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Auction

Garage for sale

Owner

Appledore
13.11.2025 108858

£ 19995

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2014 Citroen Relay HDi Dropside Chassis...

Owner

Brislington
13.11.2025 112351

£ 6990

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Auction

Electric lawnmower

Owner

Aberdeen
13.11.2025 111403

£ 20

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Auction

Double Room to Rent on Upper Mulgrave Ro...

Owner

Barking and Dagenham
13.11.2025 111984

£ 700

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Auction

PRIVATE OFFICE AND WORKSPACE NEXT TO HAR...

Owner

Barking and Dagenham
13.11.2025 111517

£ 200

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Cannon 6D mark2

Owner

Barking and Dagenham
13.11.2025 113280

£ 750

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Auction

Samsung Galaxy S24 Ultra

Owner

Barking and Dagenham
13.11.2025 109691

£ 750

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Auction

JVC MX-D719PB Portable Bluetooth Speaker...

Owner

Barking and Dagenham
13.11.2025 112044

£ 120

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Auction

Apple iPhone 12 - 64GB - Black - Unlocke...

Owner

Barking and Dagenham
13.11.2025 112197

£ 220

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Auction

Auto Car Mechanical Electrical Repairs

Owner

Barking and Dagenham
13.11.2025 109896

£ 12

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Auction

Mobile home to rent

Owner

Abingdon
13.11.2025 112809

£ 900

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Auction

JANUARY DEALS at M 'n' F Motors! Electri...

Owner

Barking and Dagenham
13.11.2025 109453

£ 1

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Auction

OEM Audi A4 Avant roof bars

Owner

Anstruther
13.11.2025 110884

£ 90

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Auction

Great Little Trading Company Constructio...

Owner

Belper
13.11.2025 110013

£ 10

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Auction

Rattan bamboo big lampshade

Owner

Barking and Dagenham
13.11.2025 110686

£ 10

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Auction

Mercedes-Benz Actros 1824 sleeper lwb bo...

Owner

Airdrie
13.11.2025 111589

£ 29999

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Auction

2009 coachman pastiche 535/4 fixed bed t...

Owner

Boston
13.11.2025 112173

£ 7495

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Auction

Juicer Cup USB Rechargeable

Owner

Bailleston
13.11.2025 112678

£ 8

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Auction

2023 Suzuki Address 125

Owner

Biddulph
13.11.2025 111772

£ 2499

Distribuie

Auction

Glass basin and pedestal towel rail

Owner

Linlithgow
13.11.2025 111665

£ 80

Distribuie

Auction

Wheel clamp as 2 keys easy to fit to a c...

Owner

Aberdeen
13.11.2025 112886

£ 30

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Auction

Garage to let horfield Filton.

Owner

Brislington
13.11.2025 111145

£ 130

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Auction

Double Room to Rent on Mayfield Road, Th...

Owner

Barking and Dagenham
13.11.2025 109398

£ 700

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Auction

XTREME 1500W 240V CIRCULAR SAW + CASE 18...

Owner

Belper
13.11.2025 113266

£ 34

Distribuie

Auction

Mini Cooper S

Owner

Baguley
13.11.2025 103941

£ 8990

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Direct Sale

Bumper , wing

West Midlands Car Parts

Birmingham
13.11.2025 111820

£ 299

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Auction

2 x Bedside lamps

Owner

Aberdeen
13.11.2025 111547

£ 10

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Auction

Clevo Gaming 15" Laptop - PC50DF1 / i7-1...

Owner

Crewe
13.11.2025 110948

£ 350

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Auction

2016 FORD TRANSIT DIESEL 2.2 TDCi 125ps...

Owner

Harrogate
13.11.2025 110552

£ 6490

Distribuie

Auction

Haven Craig Tara Caravan Park - 3 Bedroo...

Owner

Prestwick
13.11.2025 113706

£ 50

Distribuie

Auction

Salomon ski boots 25-25,5

Owner

Bailleston
13.11.2025 112621

£ 40

Distribuie

Auction

The Best Sofas in the UK

Owner

Aberdeen
13.11.2025 109291

£ 349

Distribuie

Auction

Vauxhall Astra

Owner

Allington
13.11.2025 113049

£ 3950

Distribuie

Auction

Vintage 1980s AA car key

Owner

Barking and Dagenham
13.11.2025 110529

£ 3

Distribuie

Auction

Ex stock joblot 75 pairs Brand New Unope...

Owner

Barking and Dagenham
13.11.2025 113051

£ 140

Distribuie

Auction

2017 Scania P410 8x4 Tipper

Owner

Addlestone
13.11.2025 107919

£ 28995

Distribuie

Auction

Swivel desk seat for sale £5.00

Owner

Bailleston
13.11.2025 109433

£ 5

Distribuie

Auction

Meaco MeacCool MC Series 9000R Portable...

Owner

Barking and Dagenham
13.11.2025 110220

£ 220

Distribuie

Auction

MOBILE AUTO MECHANIC

Owner

Barking and Dagenham
13.11.2025 111969

£ 39

Distribuie

Auction

matching pair 285 30 20 pirelli p zero t...

Owner

Giffnock
13.11.2025 113048

£ 120

Distribuie

Auction

Stainless Steel Food Heater Bain Marie 6...

Owner

Aberdeen
13.11.2025 110118

£ 225

Distribuie

Auction

Ladies suspension bike

Owner

Aberdeen
13.11.2025 110686

£ 40

Distribuie

Auction

Choice of 4x Eminox Upright Stack Exhaus...

Owner

Biddulph
13.11.2025 110032

£ 500

Distribuie

Auction

2023 REVVI 16 Plus

Owner

Allington
13.11.2025 112000

£ 559

Distribuie

Auction

AMAZING DEAL INCLUDES BILLS! SUPERB NEW...

Owner

Barking and Dagenham
13.11.2025 109916

£ 1600

Distribuie

Auction

WONDERFUL 1 BEDROOM 1ST FLOOR FLAT WITH...

Owner

Barking and Dagenham
13.11.2025 111344

£ 1600

Distribuie

Auction

Nike Air Jordan 1 Mid Grey/Cream UK Size...

Owner

Linlithgow
13.11.2025 113379

£ 120

Distribuie

Direct Sale

Merc e220d Premium

Owner

Croydon
13.11.2025 97309

£ 13699

Distribuie

Auction

Fireplace Surround + Plinth + Electric F...

Owner

Camborne
13.11.2025 110214

£ 50

Distribuie

Auction

Apple MacBook Pro 13" Core i5 2.5GHz 8GB...

Owner

Barking and Dagenham
13.11.2025 111684

£ 250

Distribuie

Auction

Beautiful Mediterranean fisherman's cott...

Owner

Broadwater
13.11.2025 110611

£ 1000

Distribuie

Auction

BT Cordless phones

Owner

Linlithgow
13.11.2025 112274

£ 30

Distribuie

Auction

Teaching Assistant

Owner

Allington
13.11.2025 109591

£ 80

Distribuie

Auction

Kitchen / Bathroom Vinyl Flooring

Owner

Barking and Dagenham
13.11.2025 110596

£ 99

Distribuie

Auction

8 berth Caravan holiday 3-7 June (4 nigh...

Owner

Bath
13.11.2025 112001

£ 342

Distribuie

Auction

Stunning property available for SALE on...

Owner

Barking and Dagenham
13.11.2025 111731

£ 875000

Distribuie

Auction

Framed Poppies

Owner

Newbury
13.11.2025 111712

£ 10

Distribuie

Auction

Magnificent property in Elfrida Close, W...

Owner

Barking and Dagenham
13.11.2025 112654

£ 400000

Distribuie

Auction

USED APPLE IPHONE 13 PRO MAX UNLOCKED ✅

Owner

Barking and Dagenham
13.11.2025 114791

£ 450

Distribuie

Auction

Massive King size Double Room with Bills £650

Owner

Aylesbury 13.11.2025

£650

Distribuie

Auction

Garage for sale

Owner

Appledore 13.11.2025

£19995

Distribuie

Auction

2014 Citroen Relay HDi Dropside Chassis Cab Diesel Manual

Owner

Brislington 13.11.2025

£6990

Distribuie

Auction

Electric lawnmower

Owner

Aberdeen 13.11.2025

£20

Distribuie

Auction

Double Room to Rent on Upper Mulgrave Road, Sutton SM2. Only for Pakistani couples

Owner

Barking and Dagenham 13.11.2025

£700

Distribuie

Auction

PRIVATE OFFICE AND WORKSPACE NEXT TO HARRODS KNIGHTSBRIDGE BROMPTON GBP 200 PER MONTH

Owner

Barking and Dagenham 13.11.2025

£200

Distribuie

Auction

Cannon 6D mark2

Owner

Barking and Dagenham 13.11.2025

£750

Distribuie

Auction

Samsung Galaxy S24 Ultra

Owner

Barking and Dagenham 13.11.2025

£750

Distribuie

Auction

JVC MX-D719PB Portable Bluetooth Speaker, Black

Owner

Barking and Dagenham 13.11.2025

£120

Distribuie

Auction

Apple iPhone 12 - 64GB - Black - Unlocked

Owner

Barking and Dagenham 13.11.2025

£220

Distribuie

Auction

Auto Car Mechanical Electrical Repairs

Owner

Barking and Dagenham 13.11.2025

£12

Distribuie

Auction

Mobile home to rent

Owner

Abingdon 13.11.2025

£900

Distribuie

Auction

JANUARY DEALS at M 'n' F Motors! Electrical/mechanical/repairs/mot/service/diagnostic

Owner

Barking and Dagenham 13.11.2025

£1

Distribuie

Auction

OEM Audi A4 Avant roof bars

Owner

Anstruther 13.11.2025

£90

Distribuie

Auction

Great Little Trading Company Construction Site

Owner

Belper 13.11.2025

£10

Distribuie

Auction

Rattan bamboo big lampshade

Owner

Barking and Dagenham 13.11.2025

£10

Distribuie

Auction

Mercedes-Benz Actros 1824 sleeper lwb box tailift low 298k klms NEW STOCK

Owner

Airdrie 13.11.2025

£29999

Distribuie

Auction

2009 coachman pastiche 535/4 fixed bed touring caravan

Owner

Boston 13.11.2025

£7495

Distribuie

Auction

Juicer Cup USB Rechargeable

Owner

Bailleston 13.11.2025

£8

Distribuie

Auction

2023 Suzuki Address 125

Owner

Biddulph 13.11.2025

£2499

Distribuie

Auction

Glass basin and pedestal towel rail

Owner

Linlithgow 13.11.2025

£80

Distribuie

Auction

Wheel clamp as 2 keys easy to fit to a car or van or truck or camper or caravan or trailer new

Owner

Aberdeen 13.11.2025

£30

Distribuie

Auction

Garage to let horfield Filton.

Owner

Brislington 13.11.2025

£130

Distribuie

Auction

Double Room to Rent on Mayfield Road, Thornton Heath CR7. Professional females required.

Owner

Barking and Dagenham 13.11.2025

£700

Distribuie

Auction

XTREME 1500W 240V CIRCULAR SAW + CASE 185MM BLADE + A SPARE 1 IN GOOD

Owner

Belper 13.11.2025

£34

Distribuie

Auction

Mini Cooper S

Owner

Baguley 13.11.2025

£8990

Distribuie

Direct Sale

Bumper , wing

West Midlands Car Parts

Birmingham 13.11.2025

£299

Distribuie

Auction

2 x Bedside lamps

Owner

Aberdeen 13.11.2025

£10

Distribuie

Auction

Clevo Gaming 15" Laptop - PC50DF1 / i7-10875H / 16GB Ram / 500GB SSD / RTX 2070

Owner

Crewe 13.11.2025

£350

Distribuie

Auction

2016 FORD TRANSIT DIESEL 2.2 TDCi 125ps H2 Van ECOnetic 2 Keys

Owner

Harrogate 13.11.2025

£6490

Distribuie

Auction

Haven Craig Tara Caravan Park - 3 Bedroom Holiday Home For Hire

Owner

Prestwick 13.11.2025

£50

Distribuie

Auction

Salomon ski boots 25-25,5

Owner

Bailleston 13.11.2025

£40

Distribuie

Auction

The Best Sofas in the UK

Owner

Aberdeen 13.11.2025

£349

Distribuie

Auction

Vauxhall Astra

Owner

Allington 13.11.2025

£3950

Distribuie

Auction

Vintage 1980s AA car key

Owner

Barking and Dagenham 13.11.2025

£3

Distribuie

Auction

Ex stock joblot 75 pairs Brand New Unopened Sunglasses - Over 75 Pairs Available!

Owner

Barking and Dagenham 13.11.2025

£140

Distribuie

Auction

2017 Scania P410 8x4 Tipper

Owner

Addlestone 13.11.2025

£28995

Distribuie

Auction

Swivel desk seat for sale £5.00

Owner

Bailleston 13.11.2025

£5

Distribuie

Auction

Meaco MeacCool MC Series 9000R Portable Air Conditioner & Heater - White

Owner

Barking and Dagenham 13.11.2025

£220

Distribuie

Auction

MOBILE AUTO MECHANIC

Owner

Barking and Dagenham 13.11.2025

£39

Distribuie

Auction

matching pair 285 30 20 pirelli p zero tyres 6-7mm tread free fitting and balance open 7 days

Owner

Giffnock 13.11.2025

£120

Distribuie

Auction

Stainless Steel Food Heater Bain Marie 6 pot ACE129 Catering Equipment

Owner

Aberdeen 13.11.2025

£225

Distribuie

Auction

Ladies suspension bike

Owner

Aberdeen 13.11.2025

£40

Distribuie

Auction

Choice of 4x Eminox Upright Stack Exhausts

Owner

Biddulph 13.11.2025

£500

Distribuie

Auction

2023 REVVI 16 Plus

Owner

Allington 13.11.2025

£559

Distribuie

Auction

AMAZING DEAL INCLUDES BILLS! SUPERB NEW REFURBISHED 1 BEDROOM FLAT BY ZONE 2/3 TUBE & 24 HOUR BUSES

Owner

Barking and Dagenham 13.11.2025

£1600

Distribuie

Auction

WONDERFUL 1 BEDROOM 1ST FLOOR FLAT WITH PRIVATE ROOF TERRACE BY ZONE 3 TUBE & 24 HOUR BUSES

Owner

Barking and Dagenham 13.11.2025

£1600

Distribuie

Auction

Nike Air Jordan 1 Mid Grey/Cream UK Size 5

Owner

Linlithgow 13.11.2025

£120

Distribuie

Direct Sale

Merc e220d Premium

Owner

Croydon 13.11.2025

£13699

Distribuie

Auction

Fireplace Surround + Plinth + Electric Fire

Owner

Camborne 13.11.2025

£50

Distribuie

Auction

Apple MacBook Pro 13" Core i5 2.5GHz 8GB Ram 1TB HDD Logic Pro Final Cut Pro Adobe Suite 21 Warranty

Owner

Barking and Dagenham 13.11.2025

£250

Distribuie

Auction

Beautiful Mediterranean fisherman's cottage with Spectacular views, Meze, South of France

Owner

Broadwater 13.11.2025

£1000

Distribuie

Auction

BT Cordless phones

Owner

Linlithgow 13.11.2025

£30

Distribuie

Auction

Teaching Assistant

Owner

Allington 13.11.2025

£80

Distribuie

Auction

Kitchen / Bathroom Vinyl Flooring

Owner

Barking and Dagenham 13.11.2025

£99

Distribuie

Auction

8 berth Caravan holiday 3-7 June (4 nights) Haven Burnham on Sea, Somerset

Owner

Bath 13.11.2025

£342

Distribuie

Auction

Stunning property available for SALE on Fairlop Road, Ilford, IG6

Owner

Barking and Dagenham 13.11.2025

£875000

Distribuie

Auction

Framed Poppies

Owner

Newbury 13.11.2025

£10

Distribuie

Auction

Magnificent property in Elfrida Close, Woodford Green, IG8 is up for sale.

Owner

Barking and Dagenham 13.11.2025

£400000

Distribuie

Auction

USED APPLE IPHONE 13 PRO MAX UNLOCKED ✅

Owner

Barking and Dagenham 13.11.2025

£450

Distribuie

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Massive King size Double Room with Bills £650

£650 Distribuie Salveaza

Garage for sale

£19995 Distribuie Salveaza

2014 Citroen Relay HDi Dropside Chassis Cab Diesel Manual

£6990 Distribuie Salveaza

Electric lawnmower

£20 Distribuie Salveaza

Double Room to Rent on Upper Mulgrave Road, Sutton SM2. Only for Pakistani couples

£700 Distribuie Salveaza

PRIVATE OFFICE AND WORKSPACE NEXT TO HARRODS KNIGHTSBRIDGE BROMPTON GBP 200 PER MONTH

£200 Distribuie Salveaza

Cannon 6D mark2

£750 Distribuie Salveaza

Samsung Galaxy S24 Ultra

£750 Distribuie Salveaza

JVC MX-D719PB Portable Bluetooth Speaker, Black

£120 Distribuie Salveaza

Apple iPhone 12 - 64GB - Black - Unlocked

£220 Distribuie Salveaza

Auto Car Mechanical Electrical Repairs

£12 Distribuie Salveaza

Mobile home to rent

£900 Distribuie Salveaza

JANUARY DEALS at M 'n' F Motors! Electrical/mechanical/repairs/mot/service/diagnostic

£1 Distribuie Salveaza

OEM Audi A4 Avant roof bars

£90 Distribuie Salveaza

Great Little Trading Company Construction Site

£10 Distribuie Salveaza

Rattan bamboo big lampshade

£10 Distribuie Salveaza

Mercedes-Benz Actros 1824 sleeper lwb box tailift low 298k klms NEW STOCK

£29999 Distribuie Salveaza

2009 coachman pastiche 535/4 fixed bed touring caravan

£7495 Distribuie Salveaza

Juicer Cup USB Rechargeable

£8 Distribuie Salveaza

2023 Suzuki Address 125

£2499 Distribuie Salveaza

Glass basin and pedestal towel rail

£80 Distribuie Salveaza

Wheel clamp as 2 keys easy to fit to a car or van or truck or camper or caravan or trailer new

£30 Distribuie Salveaza

Garage to let horfield Filton.

£130 Distribuie Salveaza

Double Room to Rent on Mayfield Road, Thornton Heath CR7. Professional females required.

£700 Distribuie Salveaza

XTREME 1500W 240V CIRCULAR SAW + CASE 185MM BLADE + A SPARE 1 IN GOOD

£34 Distribuie Salveaza

Mini Cooper S

£8990 Distribuie Salveaza

Bumper , wing

£299 Distribuie Salveaza

2 x Bedside lamps

£10 Distribuie Salveaza

Clevo Gaming 15" Laptop - PC50DF1 / i7-10875H / 16GB Ram / 500GB SSD / RTX 2070

£350 Distribuie Salveaza

2016 FORD TRANSIT DIESEL 2.2 TDCi 125ps H2 Van ECOnetic 2 Keys

£6490 Distribuie Salveaza

Haven Craig Tara Caravan Park - 3 Bedroom Holiday Home For Hire

£50 Distribuie Salveaza

Salomon ski boots 25-25,5

£40 Distribuie Salveaza

The Best Sofas in the UK

£349 Distribuie Salveaza

Vauxhall Astra

£3950 Distribuie Salveaza

Vintage 1980s AA car key

£3 Distribuie Salveaza

Ex stock joblot 75 pairs Brand New Unopened Sunglasses - Over 75 Pairs Available!

£140 Distribuie Salveaza

2017 Scania P410 8x4 Tipper

£28995 Distribuie Salveaza

Swivel desk seat for sale £5.00

£5 Distribuie Salveaza

Meaco MeacCool MC Series 9000R Portable Air Conditioner & Heater - White

£220 Distribuie Salveaza

MOBILE AUTO MECHANIC

£39 Distribuie Salveaza

£650

Distribuie

£19995

Distribuie

£6990

Distribuie

£20

Distribuie

£700

Distribuie

£200

Distribuie

£750

Distribuie

£750

Distribuie

£120

Distribuie

£220

Distribuie

£12

Distribuie

£900

Distribuie

£1

Distribuie

£90

Distribuie

£10

Distribuie

£10

Distribuie

£29999

Distribuie

£7495

Distribuie

£8

Distribuie

£2499

Distribuie

£80

Distribuie

£30

Distribuie

£130

Distribuie

£700

Distribuie

£34

Distribuie

£8990

Distribuie

£299

Distribuie

£10

Distribuie

£350

Distribuie

£6490

Distribuie

£50

Distribuie

£40

Distribuie

£349

Distribuie

£3950

Distribuie

£3

Distribuie

£140

Distribuie

£28995

Distribuie

£5

Distribuie

£220

Distribuie

£39

Distribuie

£120

Distribuie

£225

Distribuie

£40

Distribuie

£500

Distribuie

£559

Distribuie