When K.E energy of SHM is maximum its__________________?
Correct answer: D. All P.E acceleration and restoring force are zero
- A. P.E is zero
- B. Acceleration is zero
- C. Restoring force is zero
- D. All P.E acceleration and restoring force are zero
Explanation
Kinetic energy in SHM is maximum at the mean position, where displacement is zero. Hence potential energy, acceleration proportional to displacement, and restoring force are all zero at that instant. Students may choose a, b or c by identifying only one consequence instead of recognizing that all three occur together.
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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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