1083. The coefficient of kinetic friction under the sliding supports at A and B in Fig. P-1083 is 0.30). What force P will give the 600-11) door & leftward acceleration of 8.05 ft per sec? What will be the normal pressures at A and B? Ans. P=330 lb; NA = 82.5 lb; N=517.5 lb = 1084. Repeat Prob. 1083 iff- 0.30 at A and f = 0.20 at B. Ana. P=283 lb; NA = 129.6 lb; N=470.4 lb A B c.g. W=600 lb FIG. P-1083 and P-1084. 2' P