Bags of grass seed are stored on a wooden plank as shown. To move the plank, a

Question:

Bags of grass seed are stored on a wooden plank as shown. To move the plank, a 9° wedge is driven under end A. Knowing that the weight of the grass seed can be represented by the distributed load shown and that the coefficient of static friction is 0.45 between all surfaces of contact,

(a) Determine the force P for which motion of the wedge is impending,

(b) Indicate whether the plank will slide on the floor.

NANe