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प्रश्न
How is a vector represented?
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उत्तर
A vector is represented by an arrow. The length of the arrow represents the magnitude of vector quantity and arrow head gives the direction of vector quantity.
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संबंधित प्रश्न
State whether the following quantity is a scalar or vector.
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- Force
- Momentum
- Energy
- Weight
- Speed
When is a body said to be at rest?
By giving an example, prove that rest and motion are relative terms.
Pick out the scalar and vector quantities from the following list:
- mass
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- displacement
- distance
- momentum
- acceleration
- temperature
- time
Is mass a vector quantity?
A book is lying in an almirah. Is it at rest or in motion?
Are the passengers sitting in a train in motion or at rest with respect to each other?
A train is moving out of a railway station. Is the platform at rest or in motion with respect to the moving train? Justify your answer.
Answer the following question:
Can we subtract a scalar quantity from a vector quantity? Is the reverse true?
Answer the following question:
Can we multiply vectors?
