Unbalanced forces cause a change in speed,motion,or both. which must have an unbalanced force acting on it?
A.a stopped car
B.a ball on the floor
C.a ball rolling down a hill
D.a horse running at a constant speed
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C) is u r answer.....
kenishamaxide18:
thx
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C.a ball rolling down a hall
bcz there is two opposite forces acting on it.These forces are:hitting of ball from a side
frictional force acting on it
bcz there is two opposite forces acting on it.These forces are:hitting of ball from a side
frictional force acting on it
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