Change in state of motion does not occur when the net force on
a moving body is zero.
An object at rest is zero.
An object at rest is non zero.
Both (a) and (b).
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2
Answer:
The object is either at rest and the velocity is zero, or it moves in a straight line with a constant speed. The acceleration of an object is parallel and directly proportional to the net force acting on the object, is in the direction of the net force and is inversely proportional to the mass of the object.
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Answer:
both a and b
as the net force on body is zero it cannot bring a moving body at rest nor it can produce motion in a body at rest
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