Which of the following quantities is always proportional tothe displacement in simple harmonic motion?
Correct answer: A. Acceleration
- A. Acceleration
- B. Velocity
- C. Kinetic energy
- D. Potential energy
Explanation
In SHM, acceleration is given by , where is displacement. Acceleration is directly proportional to displacement andalways opposite in direction, which is the defining characteristic of SHM. Velocity and energies depend on displacement but not directly proportional.
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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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