Answer:
78 J
Explanation:
Work done = Force x distance
Work done = 65 x 1.2
Work done = 78 J
The work done by the boy is 78 J.
The given parameters;
The work done by the boy is the product of the applied force and the distance through the load is moved.
The work done by the boy is calculated as;
Work-done = Force x distance
Work-done =65 x 1.2
Work-done = 78 J.
Thus, the work done by the boy is 78 J.
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