When Emma pushes a bag with a force of 27 newtons, the coefficient of kinetic friction between the bag and the floor is 0.23. What is the normal force acting on the bag by the floor?

A.) 0.085 newtons
B.) 27 newtons
C.) 2.7 × 102 newtons
D.) 1.2 × 102 newtons

Question

When Emma pushes a bag with a force of 27 newtons, the coefficient of kinetic friction between the bag and the floor is 0.23. What is the normal force acting on the bag by the floor?

A.) 0.085 newtons
B.) 27 newtons
C.) 2.7 × 102 newtons
D.) 1.2 × 102 newtons

anonymous · Answer

Please Help I need this last question....

anonymous · Answer

$F_f=\mu F_n$, rearranging this formula you'll have
(assume that |Ff|=|Fa|)
$\Large  F_n=\frac{F_f}{\mu}$
|dw:1398821665727:dw|