A 200 lb BLOCK IS IN CONTACT WITH A PLANE INCLINED AT 30 DEGREE TO THE HORIZONTAL. A FORCE ‘P’ PARALLEL THETA ACTING UP THE PLANE IS APPLIED TO THE BODY. IF THE COEFFICIENT OF STATIC FRICTION 0.2, FIND THE VALUE OF ‘P’ TO JUST CAUSE THE MOTION TO IMPEND UP THE PLANE.
if P=80 lb, determine the magnitude and direction of F
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