Question

20 question related to work and energy from Lakhmir Singh and Manjit Kaur, S Chand Publication​

Answer 1

Answer:

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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