Practice Instantaneous Power (7.1) - Simple harmonic motion, damped and forced simple harmonic oscillator

Practice: Instantaneous Power

Lesson 7.1Simple harmonic motion, damped and forced simple harmonic oscillator

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9 questions

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6 sample questions

Question 1.
What is the formula for instantaneous power?
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Consider the quantities involved at a moment in time.
Question 2.
Define average power in SHM.
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What do F0, A, and δ represent?
3Question 3.
What does instantaneous power depend on?
- Force only
- Velocity only
- Both force and velocity
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Think about the formula for instantaneous power.
4Question 4.
True or False: Power is maximized at resonance.
- True
- False
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Recall the conditions for resonance.
Question 5.
A harmonic oscillator is driven at a frequency slightly above its natural frequency. Discuss how this affects the shape of the power vs. frequency graph and the average power absorbed.
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Consider how energy transfer changes when not at resonance.
Question 6.
If the phase lag is increased while keeping the applied force constant, determine the effects this has on average power absorption.
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Link changes in phase lag directly to the average power formula.

5 more questions in this section. Enroll free to practise them all.