Question

A body is accelerating in a straight line. The unbalanced force acts
(A) in the direction of motion of the body
(B) in a direction opposite to the direction of motion
(C) in a direction perpendicular to the direction of motion of the body
(D) none of these

Also explain why

Answer 1

Its (A)

As the resultant of all the forces acting on the body is the force which is still persisting and which is unbalanced or not canceled by any other forces as there aren't any other forces remaining

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Answer 2

(A) in the direction of motion of the body

EXPLANATION:-

option a is correct because if the body moves n the direction of motion of the body then the body accelerates.

option b is not correct because And if in a direction opposite to the direction of motion then the body deaccelerates.