In a simple pendulum shown at extreme and mean positions: At which position is kinetic energy maximum?
Correct answer: A. Mean position
- A. Mean position
- B. Extreme position
- C. Midway
- D. Constant everywhere
Explanation
The kinetic energy of simple pendulum is maximum at mean position. This is because at mean position, pendulum's bob has its greatest velocity as all the potential energy from the extreme positions has been converted into kinetic energy.
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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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