Two forces F¹ and F² Newton are acting simultaneously on a body of mass m kg, but the velocity of the body remain unchanged!! The resultant of the force is??? option....(1) zero. (2) (F¹-F²)N. (3) (F¹+F²)N. (4) None of the above??
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Answer:
(1) Zero
Explanation:
Let as assume that force applied by us is (F1)=10N
and frictional force acting in opposite direction be (F2)=10N
As..
F1 is required to overcome F2
So..
no acceleration
so, velocity is constant
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