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Question
Fill in the blank.
On pulling a string, its .................. increases.
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Solution
On pulling a string, its length increases.
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RELATED QUESTIONS
To draw water from a well we have to ______ at the rope.
To move a loaded trolley we have to ______ it.
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 ..........
Give one example of force as a push
State the effect produced by a force in the following case:
A man pushes a heavy cart
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 |
Answer the following in detail.
Differentiate between contract and non-contract force. Support your answer with suitable examples.
Can you identify whether it is push or pull that results in motion in the following cases?
 |
 |
 |
| Push / Pull | Push / Pull | Push / Pull |
 |
 |
 |
| Push / Pull | Push / Pull | Push / Pull |
A horse continues to apply force in order to move a cart with a constant speed. Explain why?
