Ed's car tires have a coefficient of friction of 0.45 against the road. If his car weighs, 1100 kg, how much force would be required to cause his car's tires to slip and slide?
A)2780 N
B)4850 N
C)5110 N
D)5345 N
E)6005 N

Question

Quizplus · Accepted Answer

The force needed to cause the car to slide is 4850. The friction force is F = ?*m*a, where a is the acceleration of gravity, m is the mass, and mu (?) is the friction coefficient. Thus, F = 0.45*1100*9.8 = 4851, or answer B.

Ed's Car Tires Have a Coefficient of Friction of 0