Question

An object motionless on a surface. According to Newton’s 1st Law , the object start to move if ____________
a. two forces that are equal and opposite are applied to the object
b. the upward force of the object is equal to its acceleration
c. the net forces on the object zero
d. an unbalanced force is applied to the object

Answer 1

Answer:

d) an unbalanced force is applied to the object.