Question

For a particle having Uniform circular motion which of the
following is constant?
a) Speed
b) Acceleration
c) Velocity
d) Displacement.

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Answer 1

Answer:

a

Explanation:

Accelerating objects are objects which are changing their velocity - either the speed (i.e., magnitude of the velocity vector) or the direction. An object undergoing uniform circular motion is moving with a constant speed. Nonetheless, it is accelerating due to its change in direction

Answer 2

Answer:

BOTH SPEED AND ACCELERATION REMAINS CONSTANT.

In uniform circular motion, the word uniform itself depicts that the body is moving with uniform speed.

But since the body is moving in a circle, displacement changes at each instant,i.e., at each instant the direction of displacement is along the tangent drawn to the circle.

In the case of velocity, although the speed remains constant, displacement changes so velocity also changes . since the change in velocity is uniform(because of uniform speed and uniform change in displacement)

acceleration is uniform.

So, we can conclude that both speed and acceleration remains constant for a particle having uniform circular motion.

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