Hookes law 7th grade

Hookes law 7th grade

Multiple Choice

Who discovered Hooke's law?

• Robert Hooke

• Charlie

• Newton

Multiple Choice

_________ is the unit of Spring Constant

• N

• N/m

• m

Multiple Choice

A net force of 1400 N acts to stretch an extension spring. How far will the spring stretch if its spring constant is 700 N/m?

• 1.0

• 0.5m

• 1.5 m

• 2.0 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= 500 N/m?

• 0.1 m

• 1 m

• 1000 m

• 100m

Multiple Choice

What force should be applied to compress a spring by 0.5m if its spring constant is k = 1500 N/m?

• 1880 N

• 750 N

• 1500 N

• 3000 N

Multiple Choice

A bungee rope has a spring constant of 5N/m. How much a person must weighs in Newton if we want it to extend (stretch) 10m?

• 20N

• 22cm

• 50N

• 50cm

• 21N

Multiple Choice

A force of 400 N is applied to stretch a spring which has a spring constant, k=100 N/m. How much does the spring stretch past its free length?

• 0.4 m

• 2.34 m

• 4 m

• 5.17 m

Multiple Choice

A spring has a spring constant of 450 N/m. How far is the spring compressed if 150 N of force are used?

• 2.2 m

• 3m

• 5.0 m

• 0.3 m