Question

Which of the following is the case of accelerated motion ? *

Motion if athletes in a straight line
Body moving with a constant velocity
Uniform circular motion
Both uniform circular motion and motion of athletes in a straight line.

Answer 1

Explanation:

The case a) b) and c) all are accelerated motion. a) In uniform circular motion the direction of the particle changes constantly. Since the velocity is a vector quantity, the change in direction also means change in velocity, and hence there is a acceleration

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Answer 2

Answer:

The case a) b) and c) all are accelerated motion. a) In uniform circular motion the direction of the particle changes constantly. Since the velocity is a vector quantity, the change in direction also means change in velocity, and hence there is a acceleration.