A force cannot change:

the direction of a body.

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the shape of a body.

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the inertia of a body

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the momentum of a body.

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Solution

The correct option is C the inertia of a body
A force can:

make a stationary object move or bring a moving object to rest.

change the speed of an object.

change the direction of an object.

change the shape of an object.

A change in speed or direction results in a change in momentum also. Thus, a force can change the momentum of a body also. Whereas, inertia is by the virtue of mass and we know that mass only depends on the material composition. Thus, force cannot change the inertia of an object.

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Q. Force can change the shape of a body.

Choose the correct statements regarding the momentum:

Statement 1: Momentum has both direction and magnitude.

Statement 2: SI unit of momentum is kg m s^-1

Statement 3: A balanced force can create a change in the velocity of a body.

Statement 4: An unbalanced force can create a change in the velocity of a body.

Statement 5: A balanced force can create a change in momentum.

Statement 6: An unbalanced force can create a change in momentum.

Which of the following is not an effect of force ?
(a) a force can change the speed of a moving object
(b) a force can change the direction of a moving object
(c) a force can change the composition of a moving object
(d) a force can change the shape and size of an object

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