Advertisements
Advertisements
प्रश्न
Explain the meaning of the term force.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
To move a loaded trolley we have to ______ it.
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gap in the following statement using the following terms.
While the arrow moves towards its target, the forces acting on it are due to ______ and that due to ______ of air.
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.
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.
Fill in the blank.
Force is applied as ........... or ..........
Fill in the blank.
On pulling a string, its .................. increases.
State the effect produced by a force in the following case:
A man pushes a heavy cart
What do you mean by the gravitational force? Give an example to illustrate it.
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.
