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प्रश्न
Name the unbalanced force which slows down a moving bicycle when we stop pedalling it.
उत्तर
Friction is the unbalanced force which slows down a moving bicycle when we stop pedalling it.
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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 ?
State whether the following statement is true or false :
Unbalanced forces acting on a body change its shape.
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.
Which of the two, balanced forces or unbalanced forces, can change the shape of an object ? Give an example to illustrate your answer.
Give one example where a force changes the shape (and size) of a body.
Why are road accidents at high speeds very much worse than road accidents at low speeds ?
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 ?
When a rubber balloon held between the hands is pressed, its shape changes. This happens because :
Which of the following effect cannot be produced by an unbalanced force acting on a body?
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