Circular Motion - Short Question Solution | Physics Grade XI

Circular Motion

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Circular Motion - Short Question Answers

1. Explain the difference between Simple pendulum and conical pendulum.

 Simple pendulum Conical pendulum Simple pendulum moves in to and fro motion Conical pendulum moves in a horizontal circle It obeys SHM(Simple Harmonic Motion) principle It does not obey SHM(Simple Harmonic Motion) principle Acceleration is directed towards mean position Acceleration is directed towards the center of the circle Time period is given by, t = 2π √(l/g) Time period is given by t = 2π√(lcosθ/g)

2. When a bus takes a turn, passengers are deflected away from the center of the curved path.
When a bus is turning around a curved path, the passengers sitting in the car experience an outward force. Since, they do not provide the necessary centripetal force and there is no other source of centripetal force, when a bus takes a turn, passengers are deflected from the center of the curved path.

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