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प्रश्न
Fill in the following blank with suitable word:
When a running car stops suddenly, the passengers are jerked …………………..
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उत्तर
When a running car stops suddenly, the passengers are jerked forward.
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संबंधित प्रश्न
An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason.
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
State the various effects of force.
Give one example where a force changes the shape (and size) of a 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 ?
Why are road accidents at high speeds very much worse than road accidents at low speeds ?
What is the unit of force ?
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.
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
