Complete the following sentences:
(a) The kinetic energy of a body is the energy by virtue of its..
. (b) The potential energy of a body is the energy by virtue of its ……….

Explanation

To complete the sentences, we need to understand the definitions of kinetic energy and potential energy.

### Step-by-Step Solution:

1. **Understanding Kinetic Energy**:
- Kinetic energy is defined as the energy that a body possesses due to its motion.
- Therefore, we can fill in the first sentence:
- (a) The kinetic energy of a body is the energy by virtue of its **motion**.
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