Boojho was riding in his bicycle along a straight road. He classified the motion of various parts of the bicycle as (i) rectilinear motion, (ii) circular motion and (iii) both rectilinear as well as circular motion. Can you list one part of the bicycle for each type of motion? Support your answer with reason.

Explanation

### Step-by-Step Solution:

1. **Understanding Rectilinear Motion:**
- Rectilinear motion refers to motion along a straight line. In the context of a bicycle, we can identify parts that move in a straight line when the bicycle is in motion.

**Part of the Bicycle:**
- **Seat of the Bicycle**
- **Reason:** The seat remains fixed in a straight line as the bicycle moves forward. When a rider sits on the seat, it does not change its position in any direction other than straight ahead.
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