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In figure, what be the sign of the veloc...

In figure, what be the sign of the velocity of the point P', which is the projection of the velocity of the reference particle P.P is moving in a circle of radius R in anti-clockwise direction.

Text Solution

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As the particle is moving in anticlockwise direction from A to P, the projection of velocity is towards O, i.e., along negative X-axis. Hence, the sign of the velocity of the point P is negative.
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