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Calculation for Varying Direction

A simple pend...

Question

A simple pendulum is oscillating without damping.When the displacement of the bob is less than maximum, its acceleration vector $\to a$ is correctly shown in

A

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B

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C

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D

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Solution

The correct option is C
Net acceleration $\to a$ of the bob in position B has two components.
a. ${\to a}_{n} =$ radial acceleration (towards BA)
b. ${\to a}_{t}$ = tangential acceleration (perpendicular to BA)
c. Therefore, direction of $\to a$ is correctly shown in option

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Calculation for Varying Direction

Standard XII Physics

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