force required to mantain uniform motion of a body along a straight line over a perfectly smooth surface is
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13
Answer:
no external force is required to keep a body along a straight line as Newton's first law says an object will remain at rest or in a uniform motion along straight path untill when any external force act on it.
Explanation:
Good MorNing
HaVe a NicE DaY
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0
Answer:
zero but at some times you need gravitational force into action
Explanation:
answer is zero
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