A 89 kg box rests on a level surface as shown in Figure 1. The coefficient of static friction, µS = 1.3 and the coefficient of kinetic friction, µK = 0.9 .
a) What is the magnitude of Gravity on the box from the Earth? N
b) What is the magnitude of the Normal Force on box from the surface? N
c) What is the magnitude of Friction on the box from the surface? N
Miso the Miracle Dog arrives and gives the box a horizontal push.
d) If Miso pushes with a force of 795 N, what is the magnitude of Friction on the box from the surface? N
e) If Miso's force on the box is 1022 N. What is the magnitude of Friction on the box from the surface? N
f) Suppose Miso uses an even larger horizontal force of 1134 N. What would be the magnitude of Friction on the box from the surface? N
g) If Miso's force on the box is 1249 N, what is the magnitude of Friction on the box from the surface? N