A weight of 4.9 N rests on a rough horizontal floor that has a coeffic – McqOptions

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1.	A weight of 4.9 N rests on a rough horizontal floor that has a coefficient of friction of 0.5. If g = 9.8 m/s2, the smallest horizontal force that gives the weight an acceleration of 4m/s2 is most nearly
A.	2.5 N
B.	3 N
C.	2 N
D.	4.5 N
E.	4.9 N
Answer» E. 4.9 N

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