Question

short : [1 mark each] (1) What is centripetal force ? Ans. A force acting on a body causing it to move in a circular path is called the centripetal force. (2) What is the SI unit of G, the universal gravitational constant ? Ans. The SI unit of G is N m² kg - 2 m (3) What is the value of G? Ans. The value of G is 6.673 X 10-11 Nm -2 kg (4) Who determined the value of G? Ans. Henry Cavendish determined the value of G. 2​

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