The displacement-time graph of an SHM is (a sine wave). At what point is velocity maximum?
Correct answer: B. At mean position
- A. At crest and trough
- B. At mean position
- C. At all points equally
- D. At nodes only
Explanation
Velocity is maximum when displacement = 0.
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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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