20 question related to work and energy from Lakhmir Singh and Manjit Kaur, S Chand Publication
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Question 20
State whether the following statement is true or false:
The potential energy of a body of mass 1kg kept at a height of 1m is 1 J.
Solution 20
False.
PE = m x g x h
= 1 x 9.8 x 1 = 9.8 J
Explanation:
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