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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 situations identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
Squeezing a piece of lemon between the fingers to extract its juice.
Fill in the blank.
Force is applied as ........... or ..........
Fill in the blank.
On pulling a string, its .................. increases.
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
What do you mean by the gravitational force? Give an example to illustrate it.
State if the following statement is true or false. Correct the statement if it is false.
It is possible that a force applied to an object may not bring any change in it.
Give a reason for the following.
Brake handles of motorcycles are generally covered with a toweled cloth?
______ is an ancient Indian astronomer.
In the following figure, two boys A and B are shown applying force on a block. If the block moves towards the right, which one of the following statements is correct?
