One vibration can be defined as:
Correct answer: B. Motion of the body from one extreme position to the same extreme position
- A. Motion of the body from one extreme position to the other extreme position
- B. Motion of the body from one extreme position to the same extreme position
- C. Motion of the body from one extreme position to the mean position
- D. Motion of the body from mean position back to the mean position
Explanation
VIBRATION:The complete round trip of a body about the mean position is called vibration.For Example, the motion of the bob of the pendulum from 'A' to 'B' and back from 'B' to 'A' is one vibration.Thus, one vibration is the motion of the body from one extreme position to the same extreme position.Hence, B is the correct answer.
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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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