AP Physics Units 6: Simple Harmonic Motion

A pendulum has a period of 4 seconds, how many cycles will it undergo in 52 seconds?

• 208 cycles

• 104 cycles

• 13 cycles

• 42.0 cycles

Where does a pendulum have maximum kinetic energy?

• equilibrium

• between equilibrium and highest amplitude moving down

• highest amplitude on either side of equilibrium

• between equilibrium and highest amplitude moving up

Tags

NGSS.HS-PS3-2

Which of the following is/ are characteristics of simple harmonic motion?

I. The acceleration is constant .

II. The restoring force is proportional to the displacement.

III. The frequency is independent of the amplitude.

• II only

• I and II only

• I and III only

• II and III only

• I, II, and III

The period of a simple pendulum is 2.00 sec. Find the length of the pendulum.

• 1.99 m

• 0.632 m

• 0.993 m

• 1.41 m

Which would have the longest period?
Pendulum A: A 200-g mass attached to a 1.0-m length string
Pendulum B: A 400-g mass attached to a 0.5-m length string

• A
• B
• Same

Your Mom wishes to make a simple pendulum that serves as a timing device. She plans to make it such that its period is 1.00 second. What length must the pendulum have?

• 1 m
• .5 m
• .25 m
• More than 1 meter

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

A force of 200 N causes a displacement with a magnitude of 0.5 m.  What is the constant of the spring?

• 100 N/m
• 200 N/m
• 400 N/m
• 800 N/m

A cylinder hangs motionless 40 cm below its equilibrium position from a spring with a constant of 50 N/m.  What is the mass of the cylinder?

• .8 kg
• 1.25 kg
• 2 kg
• 6 kg

A force of  30 N stretches a very light ideal spring 0.73 m from equilibrium. What is the force constant (spring constant) of the spring?

• 41 N/m
• 22 N/m
• 34 N/m
• 46 N/m