The acceleration is proportional to the displacement and is directed towards the mean position in _ motion.
Correct answer: B. Simple harmonic
- A. Gravity
- B. Simple harmonic
- C. Uniform
- D. Projectile
Explanation
One of the conditions for the back and forth motion to be classified as Simple Harmonic Motion is the acceleration being directly proportional to displacement and being directed towards the mean position.
This question appeared on the UHS MDCAT 2008 paper, which you can sit online with every answer explained.
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About Simple Harmonic Motion
Simple harmonic motion is oscillation in which acceleration is directly proportional to displacement and directed toward the equilibrium position. Work includes displacement, velocity, acceleration, phase, period, frequency, amplitude and energy, with applications to springs and simple pendulums. The restoring force and the conditions for SHM distinguish it from general periodic motion.
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