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प्रश्न
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.
विकल्प
muscular
contact
non-contact
gravity
friction
shape
attraction
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उत्तर
While the arrow moves towards its target, the forces acting on it are due to gravity and that due to friction of air.
Explanation:
Objects or things fall towards the earth because the earth pulls them. This force is called gravity, or just gravity. The force responsible for changing the state of motion of objects is friction.
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संबंधित प्रश्न
Give two examples of situations in which you push to change the state of motion of objects.
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.
Taking out paste from a toothpaste tube.
Select the correct alternative.
A body falls downwards because of
Select the correct alternative.
Friction is increased if
Name the term used for the push or pull?
Explain the meaning of the term force.
Fill in the blank.
Magnetic force is a ................ 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
