Multiple Choice
A 12-kg granite slab that is 2.2 m long is leaning against a frictionless vertical wall,with the base of the slab 55 cm away from the wall.What is the force of friction that the floor must exert on the base of the slab to keep it from moving?
A) 153 N towards the wall
B) 153 N away from the wall
C) 1190 N away from the wall
D) 1190 N towards the wall
E) 296 N towards the wall
Correct Answer:

Verified
Correct Answer:
Verified
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