A force acts on a particle such a way that it is always perpendicular to the direction of motion then the motion of the particle will be
straight line motion
projectile motion
circular motion
none of these
Uniform circular motion -
Introduction -
Circular motion is one of the examples of motion in two dimensions. To cause a body to have a circular motion, it must be given some initial velocity and there is a force must act on the body which is always directed at right angles to instantaneous velocity. The body moves in circular path have direction of velocity in the tangential direction of the circular motion always.
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