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A piece of stone tied at the end of a th...

A piece of stone tied at the end of a thread is whirled in a horizontal circle with uniform speed by hand, Answer the following questions
(a) Is the velocity of stone uniform or variable?
(b ) Is the acceleration of stone uniform or variable?
( c) What is the direction of acceleration of stone at any instant?
(d) which force provides the centripetal force required for circular motion?
(e) Name the force and its direction which acts on the hand.

Text Solution

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(a) variable (b) variable (c ) towards the centre of the circular path (d) tension in the string (e ) the reaction of tension away from the centre of the circular path
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