Explain when a body is said to be in oscillatory motion .

Explanation

### Step-by-Step Solution:

1. **Definition of Oscillatory Motion**:
- A body is said to be in oscillatory motion when it moves back and forth or up and down around a fixed position. This movement is repetitive and occurs over a specific path.

2. **Characteristics of Oscillatory Motion**:
- The key characteristics of oscillatory motion include:
- **To and Fro Movement**: The body moves in one direction and then returns to its original position.
...