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प्रश्न
Explain the meaning of the term force.
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उत्तर
Force is a physical cause that changes or may tend to change the state of rest or the state of motion of an object. The S.I. unit of force is Newton.
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संबंधित प्रश्न
In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
Taking out paste from a toothpaste tube.
In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
A load suspended from a spring while its other end is on a hook fixed to a wall.
Match the following columns
| Column A | Column B |
| a) Non contact force | 1) repel |
| b) Like poles | 2) kg |
| c) Contact force | 3) gravitational force |
| d) Mass | 4) wear and tear |
| e) Weight | 5) force of friction |
| f) Friction | 6) kgf |
Select the correct alternative.
A body falls downwards because of
Select the correct alternative.
Friction is increased if
Name the term used for the push or pull?
Give one example of force as a push
Give one example of force as a pull
What do you mean by the gravitational force? Give an example to illustrate it.
Match the following.
| Column A | Column B |
| 1. Rolling friction | a. making grooved designs |
| 2. Static friction | b. regular oiling |
| 3. Reducing friction | c. a book placed on a tabletop |
| 4. Increasing Friction | d. wheels of a car |
