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प्रश्न
Define Vector quantities.
उत्तर
The physical quantities which are ‘ expressed in magnitude, as well as direction, are called vector quantities.
For example: Displacement, velocity, acceleration, momentum, force, etc.
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संबंधित प्रश्न
When is a body said to be at rest?
Distinguish between average speed and average velocity.
What do you understand by the term motion? Support your answer by giving two examples
By giving an example, prove that rest and motion are relative terms.
Pick out the scalar and vector quantities from the following list:
- mass
- density
- displacement
- distance
- momentum
- acceleration
- temperature
- time
What do you mean by motion?
Give two examples of scalars.
A quantity can be represented only when its magnitude and direction are specified. Is it scalar or vector?
What do you understand by the equations of motion?
Write down the three equations of motion.
