At what place will the motion of the bob of the simple pendulum be the slowest?
Correct answer: B. At the equator of the Earth
- A. At the poles of the Earth
- B. At the equator of the Earth
- C. Anywhere on the surface of the Earth
- D. None of these
Explanation
The value of "g" is lowest at the equator. As T = 2π √L/g, so the Time period will be maximum hence the it would take more time to complete one oscillation.
This question appeared on the ETEA MDCAT 2006 paper, which you can sit online with every answer explained.
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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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