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A particle is in straight line motion with uniform velocity. A force is not required:

Option: 1

To increase the speed


Option: 2

To decrease the speed


Option: 3

To keep the same speed


Option: 4

To change the direction.


Answers (1)

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As we learned

Inertia is the property of a body by which it continues to remain in its existing state of rest or uniform motion in a straight line unless an external force acts on it.

A body cannot change its state on its own.

So To keep the same speed A force is not required.

 

Posted by

Suraj Bhandari

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