Amplitude in the following figure is given as:
Correct answer: D. 1m
- A. 2m
- B. 1/2m
- C. 4 m
- D. 1m
Explanation
In the figure, the wave reaches a maximum displacement of 1 meter above and below the equilibrium line. Amplitude is defined as the maximum displacement from the mean (equilibrium) position, so: Amplitude = 1 m
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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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