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Questions and Answers
Which of the following is true about simple harmonic motion?
Which of the following is true about simple harmonic motion?
- It is a type of linear motion
- It is a type of random motion
- It is a type of circular motion
- It is a type of periodic motion (correct)
What is the restoring force in simple harmonic motion proportional to?
What is the restoring force in simple harmonic motion proportional to?
- The object's acceleration
- The object's kinetic energy
- The object's velocity
- The object's displacement (correct)
What happens to simple harmonic motion if there is friction or dissipation of energy?
What happens to simple harmonic motion if there is friction or dissipation of energy?
- It continues indefinitely
- It changes direction
- It stops immediately (correct)
- It becomes chaotic
What is the relationship between the inertial force and the restoring force in simple harmonic motion?
What is the relationship between the inertial force and the restoring force in simple harmonic motion?
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What type of motion does simple harmonic motion result in?
What type of motion does simple harmonic motion result in?
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What is the effect of friction or dissipation of energy on simple harmonic motion?
What is the effect of friction or dissipation of energy on simple harmonic motion?
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Study Notes
Simple Harmonic Motion
- Simple harmonic motion is a type of motion that occurs when the net force acting on an object is proportional to its displacement from its equilibrium position.
- The restoring force in simple harmonic motion is proportional to the displacement of the object from its equilibrium position.
- When there is friction or dissipation of energy, simple harmonic motion will eventually come to a stop, as the energy is lost due to the friction or dissipation.
- The inertial force and the restoring force in simple harmonic motion are equal in magnitude and opposite in direction.
- Simple harmonic motion results in oscillatory motion, where the object moves back and forth about its equilibrium position.
- Friction or dissipation of energy has a damping effect on simple harmonic motion, causing the amplitude of the oscillations to decrease over time.
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