9.1 Harmonic Motion

Nora walks from her house to the park. The motion that gets her from one place to another is called _______________.(pg. 218)

• Harmonic Motion

• Linear Motion

• Swinging motion

Ethan is watching a playground swing move back and forth. The motion of the swing, which repeats over and over, is called ____________.(pg. 218)

• Harmonic Motion

• Linear Motion

• Swinging Motion

3. ) A _____________ is a unit of motion that repeats. For example, one full back- and- forth motion of a child on a swing.(pg. 218)

• Swing
• Cycle
• Harmonic

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Emma is observing two activities: a turn of a wheel, and a slide down a ski slope. Which is an example of a cycle?

• Turn of a wheel

• Slide down a ski slope

5.) An _____________ is a physical system that has repeating cycles, for example a child on a swing.(pg. 219)

• Swing
• Harmonic motion
• Linear motion
• Oscillator

6.) Systems that oscillate move back and forth around a center, or equilibrium (resting) position. A ____________________ ____________ is any force that acts to pull a system back toward equilibrium (rest). (pg. 219)

• Harmonic force
• Linear force
• Restoring force

Aiden visits an amusement park and wonders which attraction is an example of an oscillating system. Which one should he choose?

• Snack Stand

• Roller Coaster

• The Pirate ship

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8.) Why don’t we use speed to describe harmonic motion?(pg. 220)

• The speed never changes.
• The speed changes throughout the cycle.
• I don't know.

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Aria is observing the movement of a pendulum in her physics class. She notes that the time it takes for the pendulum to swing back and forth once is called the______________.(pg. 220)

• hour

• cycle

• period

• unit

10.) _________________ describes the number of cycles per second?(pg. 220)

• Hertz
• Frequency
• Amount
• Total

Tags

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