the law of motion that states that an object will manintain its straight-line
motion until acted upon by an unbalenced force is _________
A. F=m*a.
B. newtons third law.
C. newtons first law.
D. newtons second law.
Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.