Work, Energy and Power

Question: A body of mass 10 kg is dropped to the ground from a height of 10 metres. The work done by the gravitational force is $(g = 9.8\,m/{\sec ^2})$



1) – 490 Joules
2) + 490 Joules
3) – 980 Joules
4) + 980 Joules
Solution: Explanation: No Explanation
WEP Work Done by Constant Force

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