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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.
APPEARS IN
संबंधित प्रश्न
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 running car stops 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.
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.
A car is moving on a level road. If the driver turns off the engine of the car, the car’s speed decreases gradually and ultimately it comes to a stop. A student says that two forces act on the car which bring it to a stop. What could these forces be ? Which of these two forces contributes more to slow down and stop the car ?
What is the unit of force ?
If we release a magnet held in our hand, it falls to the ground. The force which makes the magnet fall down is an example of :
Why does it happen?
If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.
