Question.
A mass of 10 kg is at a point A on a table. It is moved to a point B. If the line joining A and B is horizontal, what is the work done on the object by the gravitational force ? Explain your answer.
A mass of 10 kg is at a point A on a table. It is moved to a point B. If the line joining A and B is horizontal, what is the work done on the object by the gravitational force ? Explain your answer.
Solution:
The work done is zero. This is because the gravitational force and displacement are perpendicular to each other.
The work done is zero. This is because the gravitational force and displacement are perpendicular to each other.
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