1. A mass on a spring undergoing simple harmonic motion completes 8 oscillations in 4.0 s. What is the period of the motion?

 

a. 0.031 s

b. 0.50 s

c. 2.0 s

d. 32 s

 

Answer: _____

 

 

2. A 1 kg object is attached to a spring with a spring constant of k = 32 N/m. It is pulled 0.25 m from its equilibrium position and released. Find the maximum kinetic energy of the object.

 

a. 0.25 J

b. 0.50 J

c. 0.75 J

d. 1.0 J

 

Answer: _____

 

 

3. A 0.20 kg object is suspended from a spring with a spring constant of k=10 N/m and is undergoing simple harmonic motion. What is its acceleration of the object at the instant when it is -0.050 m away from equilibrium?

 

a. 1000 m/s2

b. 40 m/s2

c. 0.10 m/s2

d. 2.5 m/s2

 

Answer: _____

 

 

4. When an object in simple harmonic motion is at its maximum displacement, its ____________ is also at a maximum.

 

a. velocity

b. acceleration

c. kinetic energy

d. frequency

 

Answer: _____

 

 

5. What kind of force is necessary for a simple harmonic motion?

 

a. Constant force

b. Varying force

c. Linear restoring force

d. Elastic force

 

Answer: _____

 

 

6. When a mass undergoing simple harmonic motion is at its maximum displacement from equilibrium, its instantaneous velocity:

 

a. is maximum.

b. is less than maximum, but not zero.

c. is zero.

d. cannot be determined from the information given.

 

Answer: _____

 

 

7. The position of an object in simple harmonic motion is described by the following equation: y = (0.50 m)cos (p/2 t). What is the amplitude of vibration?

 

a. 0.25 m

b. 0.50 m

c. 0.75 m

d. 1.0 m

 

Answer: _____

 

 

8. A pendulum has a period of 2.0 s. What is its length?

 

a. 2.0 m

b. 1.0 m

c. 0.70 m

d. 0.50 m

 

Answer: _____

 

 

9. If both the length and mass of a simple pendulum are increased, the frequency _______.

 

a. increases

b. decreases

c. remains constant

d. not enough information

 

Answer: _____

 

 

10. What is the displacement a particle undergoing simple harmonic motion with amplitude 0.25 m undergoes in one-half of the period?

 

a. 0.25 m

b. 0.50 m

c. 0.75 m

d. 1.0 m

 

Answer: _____

 

 

11. A 1.00 kg mass at the end of a spring vibrates 2.00 times per second with amplitude of 0.100 m. What is its speed when it passes the equilibrium?

 

a. 0 .000 m/s

b. 0.310 m/s

c. 0.631 m/s

d. 1.26 m/s

 

Answer: _____