Equations of angular motion are useful only when the axis of rotation is:
Correct answer: B. Fixed
- A. Constantly varying
- B. Fixed
- C. Along the x-axis
- D. Not stable
Explanation
The angular equations holds true only in the case when axis of rotation is fixed. So, that angular vectors have the same direction. Hence they can be manipulated as scalars.
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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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