Concept explainers
To Explain: Work done on the box of books from the floor put it on table.
Answer to Problem 79A
The work done by an individual and by gravity are separate and do not cancel each other.
Explanation of Solution
Introduction:
The force and motion are in the same direction.Here, an individual does positive work on the box. Gravity does negative work on the box since the force of gravity is opposite to the direction of motion.So, the work done by the individual and by gravity are separate and do not cancel each other.
Conclusion:
Hence, an individual does positive work on the box. The work done by the gravity and by gravity are separate and do not cancel each other.
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