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प्रश्न
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.
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उत्तर
If there were no unbalanced force of friction and no air resistance, a moving bicycle would go on moving forever.
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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 stationary car starts 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.
Explain why, it is dangerous to jump out of a moving bus.
Give one example where a force stops a moving body.
Give one example where a force changes the shape (and size) of a body.
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 toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :
When we talk of a force acting on a body, it usually means :
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
