9303753286127016 Let ar and at represent radial and tangential acceleration . the motion of particle may be circular if : ( assume that only momentary rest is allowed) A. ar = at = 0 B. ar = 0 and at≠0 C. ar ≠ 0 and at=0 D.ar≠ 0 and at≠0

Let ar and at represent radial and tangential acceleration . the motion of particle may be circular if : ( assume that only momentary rest is allowed) A. ar = at = 0 B. ar = 0 and at≠0 C. ar ≠ 0 and at=0 D.ar≠ 0 and at≠0

 Tangential acceleration is the reason of a particle travelling faster or slower in a circular motion. A uniform motion is one in which the velocity remains constant. As a result, the tangential component of the acceleration is zero.

An item travelling in a circular path at a constant speed has a constant centripetal acceleration. Due to the continual change of direction, the radial acceleration is not constant.

If ar = 0, there is no radial acceleration and circular motion is not possible So ar ≠ 0

If at≠ 0 the motion is not uniform as angular velocity will change

So ar ≠ 0 and at = 0 for uniform circular motion

Balkishan Agrawal

At the helm of GMS Learning is Principal Balkishan Agrawal, a dedicated and experienced educationist. Under his able guidance, our school has flourished academically and has achieved remarkable milestones in various fields. Principal Agrawal’s vision for the school is centered on providing a nurturing environment where every student can thrive, learn, and grow.

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