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प्रश्न
State the various effects of force.
State two effects of force.
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उत्तर
Force can produce the following effects:
1. It can move a stationary body.
2. It can stop a moving body.
3. It can change the speed of a moving body.
4. It can change the direction of a moving body.
5. It can change the shape (and size) of a body.
संबंधित प्रश्न
What is the usual name of the forces which cannot produce motion in a body but only change its shape ?
Name the unbalanced force which slows down a moving bicycle when we stop pedalling it.
State whether force is a scalar or a vector quantity?
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
Give one example where a force changes the direction of a moving body.
What type of forces – balanced or unbalanced – act on a rubber ball when we press it between our hands ? What effect is produced in the ball ?
What happens to the passengers travelling in a bus when the bus takes a sharp turn ? Give reasons for your answer.
A car is moving on a level road. If the driver turns off the engine of the car, the car’s speed decreases gradually and ultimately it comes to a stop. A student says that two forces act on the car which bring it to a stop. What could these forces be ? Which of these two forces contributes more to slow down and stop the car ?
If we release a magnet held in our hand, it falls to the ground. The force which makes the magnet fall down is an example of :
A fielder pulls his hands backwards after catching the cricket ball. This enables the fielder to :
