Question

Assertion(A): The work done by the gravitational force of the Earth on the Moon is zero.
Reason(R): Force and displacment are perpendicular to each other when Earth revolves around the Sun.

• A. Only one of the statements is correct.
• B. Both statements are correct. R is the correct explaination of A.
• C. Both statements are correct. R is not the correct explaination of A.
• D. Both statements are incorrect.

Answer 1

The correct option is B Both statements are correct. R is the correct explaination of A.

When moon revolves around the Earth, the gravitation force and the displacement are always perpendicular to each other. Hence, the work done by gravitational force on the Moon is always zero.