AP Physics 1 Unit 7: Simple Harmonic Motion

A(n) _______ is a back-and-forth motion of an object between two points of deformation

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Periodic motion is repetitious oscillations.

The period (T) is the time for one oscillation to occur.

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NGSS.HS-PS4-1

The frequency (f) is the number of oscillations per unit of time. The inverse of the period.

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NGSS.HS-PS4-1

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NGSS.HS-PS3-2

When we're talking about a pendulum, what does T stand for?

• pi

• period

• length

• gravity

What is the unit for the period of a pendulum?

• second

• meter

• m/s/s

• Newton

As a pendulum gets longer, what happens to the period?

• doesn't change

• decreases

• increases

At what point in the swing of a pendulum is the bob moving fastest?

• at the top of the arc

• at the bottom of the arc

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NGSS.HS-PS3-2