In figure, what will 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 the anticlockwise direction.
 In figure, what will 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 the anticlockwise direction.

Exemplar Solutions Class 11 Physics Chapter 14 - 15

Answer:

Exemplar Solutions Class 11 Physics Chapter 14 - 16

P’ is the perpendicular of the particle Pat’s velocity vector at time t.

When the particle moves from P to P1, its foot moves from P’ to Q, which is away from the positive axis.

As a result, the sign is a negative one.