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प्रश्न
By giving an example, prove that rest and motion are relative terms.
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उत्तर
Rest and motion are relative terms. It means a body at rest in one situation at certain time can be in motion in another situation at the same time.
A person sitting in the compartment of a moving train is in the state of rest with respect to the surrounding of the compartment yet he is in state of motion, if he compare himself with the surroundings outside the compartment.
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संबंधित प्रश्न
State whether the following quantity is a scalar or vector.
- Pressure
- Force
- Momentum
- Energy
- Weight
- Speed
Distinguish between average speed and average velocity.
Define Vector quantities.
State whether the following is scalar or vector quantity
Force
Copy the following table and fill in the blank spaces.
| Quantity | S.I. Unit | Scalar or Vector |
| ___________ | kg m−3 | ___________ |
What do you mean by motion?
Answer the following question:
Can we add two vectors?
Answer the following question:
Can we multiply two scalars?
Answer the following question:
Can we subtract a scalar quantity from a vector quantity? Is the reverse true?
What do you understand by the equations of motion?
