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प्रश्न
When a toothpaste tube is squeezed, its shape changes. The force responsible for this is an example of :
पर्याय
balanced forces
centripetal forces
unbalanced forces
centrifugal forces
उत्तर
balanced force
This is because a balanced force changes the shape of the object.
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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.
State whether force is a scalar or a vector quantity?
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.
Why are road accidents at high speeds very much worse than road accidents at low speeds ?
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?
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 we talk of a force acting on a body, it usually means :
Which of the following effect cannot be produced by an unbalanced force acting on a body?
A boy of mass 50 kg standing on ground exerts a force of 500 N on the ground. The force exerted by the ground on the boy will be :