Hooke's Law

Presentation

•

Physics

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10th - 12th Grade

•

Medium

•

CCSS.8.EE.C.7B, NGSS.HS-PS2-1

Standards-aligned

Jessica Iseman

Used 50+ times

FREE Resource

8 Slides • 11 Questions

Hooke's Law

All elastic materials behave as springs.

Multiple Choice

If F is force, k is spring constant and x is extension, Hooke's Law tells us that:

F=k/x

x=Fk

k=Fx

F=kx

Multiple Choice

A 25,000 N Car is supported by 4 springs. If each spring is deflected by 0.040 m what is the spring constant?

160,000 N /m

620,000 N/m

630,000 N/m

120,000 N/m

Multiple Choice

A force of F=500 N is applied to extend a spring. What is the displacement x of the spring if its spring constant is k= 540 N/m?

0.96 m

0.93 M

1.3 m

1.1 m

Multiple Choice

What force should be applied to compress a spring by 0.013 m if its spring constant is k = 1900 N/m?

1880 N

24.7 N

1900 N

0.127 N

Multiple Choice

A spring has a spring constant of 330 N/m. How far is the spring compressed if 150 N of force are used?

2.2 m

0.0014 m

5.0 m

0.45 m

Elastic Limit

Hooke's Law usually only works for a range of displacements
The limit where it stops working is known as the spring's Elastic limit
This may be where the spring stretches out or breaks.

Multiple Choice

Hooke's Law fails when a material reaches its:

breakdown

elastic limit

end of tether

fracture stress

Multiple Choice

A stiff material has a:

high spring constant

low spring constant

spring constant of any value

spring constant which is difficult to predict

Multiple Choice

The data in the graph represents the extension of a spring. Calculate the spring constant using the equation:

Spring constant = Force ÷ Extension

2 N/m

0.5 N/m

60 N/m

20 N/m

Multiple Choice

What Quantity can you calculate from the graph and give the magnitude of that quantity.

distance 4.5 m

Force 15 N

spring constant 20 N/m

spring constant 200 N/m

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Hooke's Law

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