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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 ?
Explain why, it is dangerous to jump out of a moving bus.
State the various effects of force.
Give one example where a force stops a moving body.
What do you understand by the terms “balanced forces” and “unbalanced forces” ? Explain with examples.
There are two types of forces X and Y. The forces belonging to type X can produce motion in a stationary object but cannot change the shape of the object. On the other hand, forces belonging to type Y cannot produce motion in a stationary object but can change the object. What is the general name of the forces as (a) X, and (b) Y?
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.
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.
