A 17-kg ladder has a center of mass at G. If the coefficients of friction at A and B are A = 0.3 and B = 0.2, respectively, determine the smallest horizontal force that the man must exert of the ladder at point C in order to push the ladder forward.

A 17-kg ladder has a center of mass at G. If the coefficients of frict

1.	A 17-kg ladder has a center of mass at G. If the coefficients of friction at A and B are A = 0.3 and B = 0.2, respectively, determine the smallest horizontal force that the man must exert of the ladder at point C in order to push the ladder forward.
A.	F = 120.2 N
B.	F = 288 N
C.	F = 166.8 N
D.	F = 204 N
Answer» E.