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प्रश्न
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
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उत्तर
When a stationary car starts suddenly, the passengers are jerke backward.
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संबंधित प्रश्न
State whether the following statement is true or false :
Unbalanced forces acting on a body change its shape.
Which of the two, balanced forces or unbalanced forces, can change the shape of an object ? Give an example to illustrate your answer.
Explain why, it is dangerous to jump out of a moving bus.
Give one example where a force changes the direction of a moving 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 ?
A 1000 kg vehicle moving with a speed of 20 m/s is brought to rest in a distance of 50 metres :
(i) Find the acceleration.
(ii) Calculate the unbalanced force acting on the vehicle.
Give one example where a force stops a moving body .
A boy of mass 50 kg standing on ground exerts a force of 500 N on the ground. The force exerted by the ground on the boy will be :
A fielder pulls his hands backwards after catching the cricket ball. This enables the fielder to :
