Question
Define (a) speed, (b) velocity. Bring out clearly the difference between the speed and velocity.
| Speed | Velocity | ||
| 1. | The rate of change of motion is called speed. | 1. | The rate of change of motion in a specified direction is called its velocity |
| 2. | It is a scalar quantity. | 2. | It is a vector quantity. |
| 3. | It cannot be zero. | 3. | It can be zero. |
| 4. | Speed = Distance/Time | 4. | Velocity = Displacement/Time |
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| Column A | Column B |
| (a). Human body | (1). electric bell |
| (b). Silk thread | (2). current |
| (c). Charge in motion | (3). conductor |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (5). insulator |