A 40-N crate rests on a rough horizontal floor.A 12-N horizontal force is then applied to it.If the coefficients of friction are = 0.5 and = 0.4, the magnitude of the frictional force on the crate is:
A)8 N
B)12 N
C)16 N
D)20 N
E)40 N

Question

A 40-N crate rests on a rough horizontal floor.A 12-N horizontal force is then applied to it.If the coefficients of friction are = 0.5 and  = 0.4, the magnitude of the frictional force on the crate is:
A)8 N 
B)12 N 
C)16 N 
D)20 N 
E)40 N

Quizplus · Accepted Answer

The Answer of A 40-N crate rests on a rough horizontal floor.A 12-N horizontal force is then applied to it.If the coefficients of friction are = 0.5 and  = 0.4, the magnitude of the frictional force on the crate is:
A)8 N 
B)12 N 
C)16 N 
D)20 N 
E)40 N

A 40-N Crate Rests on a Rough Horizontal Floor