Prob. F8-4 F8-5. Determine the maximum force P that can be applied without causing movement of the 250-lb crate that has a center of gravity at G. The coefficient of static friction at the floor is μ, = 0.4. 1.5 ft 1.5 ft "T 4.5 ft 2.5 ft 3.5 ft Prob. F8-5