Define vector and scalar quantity

Explanation

### Step-by-Step Solution

1. **Definition of Vector Quantity**:
- A vector quantity is a physical quantity that has both magnitude and direction. This means that in addition to how much of the quantity there is (magnitude), it also specifies the direction in which the quantity acts.

2. **Examples of Vector Quantities**:
- Common examples of vector quantities include:
- **Displacement**: This is defined as the change in position of an object. It is represented as a vector that points from the initial position to the final position.
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