Speed | One-Word Answers, Definitions, and Key Concepts

Class 9 Physics: One-Word/Term Answers on Speed

1. The distance travelled per unit time.

Speed

2. Speed with a specific direction.

Velocity

3. The SI unit of speed.

m/s

4. Speed that remains constant over time.

Uniform Speed

5. Speed that changes with time.

Non-uniform Speed

6. Total distance divided by total time.

Average Speed

7. Instrument commonly used to measure a vehicle's speed.

Speedometer

8. The rate of change of velocity.

Acceleration

9. The quantity used to represent how fast or slow an object is moving.

Speed

10. A graphical representation used to show speed over time.

Distance-Time Graph

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