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प्रश्न
Fill in the blank.
On pulling a string, its .................. increases.
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उत्तर
On pulling a string, its length increases.
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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.
An athlete making a high jump to clear the bar at a certain height.
Name the term used for the push or pull?
What do you mean by the gravitational force? Give an example to illustrate it.
Fill in the blank.
Magnetic force is a ................ force.
Match the following.
| Column A | Column B |
| 1. Non-contact forces | a. perpendicular to surface |
| 2. Catapult | b. an act of push or pull |
| 3. Force | c. unit of force |
| 4. Normal force | d. action-at-a-distance forces |
| 5. Newton | e. contact force |
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.
State if the following statement is true or false. Correct the statement if it is false.
Two equal and opposite forces acting on an object balance out each other.
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 |
 |
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| Push / Pull | Push / Pull | Push / Pull |
 |
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| Push / Pull | Push / Pull | Push / Pull |
A truck of mass M is moved under a force F. If the truck is then loaded with an object equal to the mass of the truck and the driving force is halved, then how does the acceleration change?
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?
