AP Physics SHM Quick Review

When the length of a simple pendulum is tripled, the time required for one complete vibration

• increases by a factor of 3.

• increases by a factor of √3

• does not change

• decreases to 1/√3 of its original value

Both pendulum A and B are 3.0 m long. The period of A is T. Pendulum A is twice as heavy as pendulum B. What is the period of B?

• 0.5 T

• 1.4 T

• T

• 2 T

When and object is in simple harmonic motion passes through its equilibrium point, which of the following are true?

There are two correct answers

• Is speed is at a minimum

• Its displacement is at a maximum

• Its potential energy is at a minimum

• Its acceleration is zero

Tags

NGSS.HS-PS3-2

A mass attached to a spring vibrates back and forth. At the equilibrium position, the

• acceleration reaches a maximum.
• velocity reaches a maximum.
• net force reaches a maximum.
• velocity reaches zero.

A mass is hung from a spring and set into vertical oscillation.
Which row in the table correctly shows the kinetic energy E_k of the mass at maximum displacement and the potential energy E_p of the mass at the equilibrium position?

• A
• B
• C
• D

Tags

NGSS.HS-PS3-2

Compared to the earth a pendulum of the same length on Jupiter, which has a value of g= 26 m/s² --

(select two answers)

• will have a longer period

• will have a shorter period

• will have a higher frequency

• will have a lower frequency

Tags

NGSS.HS-PS2-4

A block is attached to a spring and oscillates on a horizontal frictionless surface and the position vs. time graph is shown below. How could you find the speed of the block at 3.5 s?

• Read the value from the graph

• find the slope of the tangent line at 3.5 s

• Find the area under the curve from 0-3.5 s

A block is attached to a spring and oscillates on a horizontal frictionless surface and the position vs. time graph is shown below. What is the period of the oscillation?

• 1 s

• 2 s

• 3 s

• 5 s

A block is attached to a spring and oscillates on a horizontal frictionless surface and the position vs. time graph is shown below. What is the frequency of the oscillation?

• 1 Hz

• 0.5 Hz

• 0.33 Hz

• 2 Hz

In the absence of non-conservative forces, the total mechanical energy of an oscillator--

• remains constant

• is zero

• increases over time

• decreases over time