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प्रश्न
Which of the following effect cannot be produced by an unbalanced force acting on a body?
विकल्प
change in speed of the body
change in shape of the body
change in direction of motion of body
change in state of rest of the body
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उत्तर
change in shape of the body
Unbalanced forces tend to change the state of motion of a body.
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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 ?
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Give one example where a force moves a stationary body.
Give one example where a force changes the direction of a moving body.
What type of forces – balanced or unbalanced – act on a rubber ball when we press it between our hands ? What effect is produced in the ball ?
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?
What is the relationship between force and acceleration ?
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