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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 running car stops suddenly, the passengers are jerked …………………..
Which of the two, balanced forces or unbalanced forces, can change the shape of an object ? Give an example to illustrate your answer.
State the various effects of force.
Give one example where a force changes the speed of a moving 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.
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.
Give one example where a force stops a moving body .
