Question

force required to mantain uniform motion of a body along a straight line over a perfectly smooth surface is​

Answer 1

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

Answer 2

Answer:

zero but at some times you need gravitational force into action

Explanation:

answer is zero