A man slowly pulls a bucket of water from a well of depth m.The mass of the uniform rope and bucket full of water are gm and 19.9 kg, respectively. Find the work done (in kJ) by the man |
A man slowly pulls a bucket of water from a well of depth m.The mass of the uniform rope and bucket full of water are gm and 19.9 kg, respectively. Find the work done (in kJ) by the man |
(4) As the centre of gravity of rope co0mes up by and that of bucket by , required work would be |