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प्रश्न
When we talk of a force acting on a body, it usually means :
पर्याय
electrical force
balanced force
unbalanced force
nuclear force
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उत्तर
unbalanced force
Unbalanced forces are responsible for producing a change in the state of motion of a body. So when we talk of a force, it usually means unbalanced force.
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संबंधित प्रश्न
Name the unbalanced force which slows down a moving bicycle when we stop pedalling it.
Fill in the following blanks with suitable word :
If there were no unbalanced force of……………….. and no…………………. resistance, a moving bicycle would go on moving for ever.
Explain why, it is dangerous to jump out of a moving bus.
State the various effects of force.
Give one example where a force moves a stationary body.
Give one example where a force changes the direction of a moving body.
What do you understand by the terms “balanced forces” and “unbalanced forces” ? Explain with examples.
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 ?
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
