Question

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1. A spring is suspended from a bar. When a load of 6.0 N is added to the bottom of the spring, its length changes from 0.040 m to 0.13 m.To find the spring constant of the spring you would use:

a. 0.09/6.0

b. 6.0/0.13

c. 6.0/0.09

d. 0.13/6.0

2. A spring obeys Hook's law. A force of 2 N extends the spring by 0.3 m. A 6.0 N force will extend the spring by

a. 0.60 m

b. 0.90 m

c. 0.30 m

d. 0.10 m

3. How long must a simple pendulum be in order to have a period of 1 s (answer in m)?

Answer 1