Question

5. The change in velocity of a particle moving with a uniform speed in a
circular path, in making quarter of cycle will be directed..............​

Answer 1

Answer:

The change in velocity of a particle moving with a uniform speed in a

circular path, in making quarter of cycle will be directed..............

Explanation:

Velocity, being a vector, has both a magnitude and a direction. The magnitude of the velocity vector is the instantaneous speed of the object. The direction of the velocity vector is directed in the same direction that the object moves. Since an object is moving in a circle, its direction is continuously changing. At one moment, the object is moving northward such that the velocity vector is directed northward. One quarter of a cycle later, the object would be moving eastward such that the velocity vector is directed eastward. As the object rounds the circle, the direction of the velocity vector is different than it was the instant before. So while the magnitude of the velocity vector may be constant, the direction of the velocity vector is changing. hence velocity is variable in uniform circular motion

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