Advertisements
Advertisements
Question
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 |
Advertisements
Solution
| Column A | Column B |
| 1. Non-contact forces | d. action-at-a-distance forces |
| 2. Catapult | e. contact force |
| 3. Force | b. an act of push or pull |
| 4. Normal force | a. perpendicular to surface |
| 5. Newton | c. unit of force |
APPEARS IN
RELATED QUESTIONS
Select the correct alternative.
A body falls downwards because of
Give one example of force as a pull
Explain the meaning of the term force.
What do you mean by the gravitational force? Give an example to illustrate it.
Answer the following in short.
Why is magnetic force considered as an action-at-a-distance force?
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 |
Solve the crossword puzzle.
Across
1. Type of force which depends upon the roughness of a surface
2. An effect of friction
3. The force of friction caused due to fluids
4. Type of friction acting between two bodies at rest
5. Type of friction which occurs when applied force overcomes static friction
6. A special body design to enable minimum drage Down
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 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?
