Which force acts as an object to move it from rest or a constant straight-line motion? a . unbalanced b. along a straight line c. inertial d. balanced

The force that is applied in the straight line leads to motion in a straight line.

Force along a straight line is responsible for the movement of an object from rest or a constant straight-line motion because there is no force present in the opposite direction. When the force is applied in the form straight line means from backside of an object, the body moves in the forward direction if no force is coming from the front side.

This type of force compels the object to move in the forward direction in a straight line so we can conclude that the force that is applied in the straight line leads to motion in a straight line.

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the answer would be a

grav potential energy