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प्रश्न
State whether force is a scalar or a vector quantity?
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उत्तर
Force is a vector quantity.
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संबंधित प्रश्न
What is the usual name of the forces which cannot produce motion in a body but only change its shape ?
Fill in the following blank with suitable word :
When a stationary car starts suddenly, the passengers are jerked …………………..
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If there were no unbalanced force of……………….. and no…………………. resistance, a moving bicycle would go on moving for ever.
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Give one example where a force changes the shape (and size) of a body.
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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.
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Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
