In the following cases identify the direction of net force acting on them:
Q. In the following cases identify the direction of net force acting on them:
(a) A car drives around a circular race track at a constant speed.
(b) Earth moving around the sun.
(c) A ball, rolling across a grassy field, slowly comes to a stop.
Ans. (a) Towards the centre of the track.
(b) Towards the sun.
(c) Opposite to the direction of motion.
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