A boy is rotating in a circular motion, a stone of mass 500g by using a string of length 50cm with a speed 10 cm/s. What will be the work done by the force applied by the boy? |
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(a) |
0.01 |
(b) |
(c) |
10 |
(d) |
zero |

A boy is rotating in a circular motion, a stone of mass 500g by using a string of length 50cm with a speed 10 cm/s. What will be the work done by the force applied by the boy? |
|||||||

(a) |
0.01 |
(b) |
(c) |
10 |
(d) |
zero |

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