Advertisements
Advertisements
प्रश्न
Fill in the blank.
Magnetic force is a ................ force.
Advertisements
उत्तर
Magnetic force is a non-contact force.
APPEARS IN
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.
Select the correct alternative.
Friction is increased if
Explain the meaning of the term force.
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. 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.
Two equal and opposite forces acting on an object balance out each other.
Give a reason for the following.
Brake handles of motorcycles are generally covered with a toweled cloth?
Answer the following in detail.
Differentiate between contract and non-contract force. Support your answer with suitable examples.
A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to
A horse continues to apply force in order to move a cart with a constant speed. Explain why?
