RRB ALP 30th Aug 2018 Shift-1 Question 68

Question 68

A boy raises a box with a weight of 120 N through a height of 2 m. The work done by him is:

Solution

We know, Work done = Force x time

According to the question,

Work done = 120 x 2 Joules

Work done = 240 Joules

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