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प्रश्न
Give one example where a force moves a stationary body.
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उत्तर
The force of an engine can move a stationary car.
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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 ?
Name the unbalanced force which slows down a moving bicycle when we stop pedalling it.
State whether the following statement is true or false :
Unbalanced forces acting on a body change its shape.
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 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 :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
