What is the main difference between forced oscillations and resonance ?

Explanation

### Step-by-Step Solution:

1. **Definition of Forced Oscillations**:
- Forced oscillations occur when an external periodic force is applied to a system. This force causes the system to oscillate at the frequency of the applied force, which may be different from the system's natural frequency.
- Example: If you push a swing at regular intervals, the swing will oscillate at the frequency of your pushes, not necessarily at its natural frequency.

2. **Characteristics of Forced Oscillations**:
- The oscillation frequency is determined by the frequency of the external force.
...