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प्रश्न
State the various 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.
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संबंधित प्रश्न
State whether force is a scalar or a vector quantity?
Fill in the following blank with suitable word:
When a running car stops suddenly, the passengers are jerked …………………..
Give reason for the following :
When a hanging carpet is beaten with a stick, the dust particles start coming out of it.
Give one example where a force changes the speed of a moving body.
Give one example where a force changes the direction of a moving body.
Give one example where a force changes the shape (and size) of a body.
Why are road accidents at high speeds very much worse than road accidents at low speeds ?
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 ?
What is the unit of force ?
When we talk of a force acting on a body, it usually means :
