Problem 17.35

The desk has a weight of

71 lb and a center of gravity at G. The coefficient of kinetic friction at A and B is μk = 0.2.

 

 

 

Part A

Determine the initial acceleration of the desk if a man pushes on it with a force F = 60 lb .

Express your answer to three significant figures and include the appropriate units. Enter positive value if the acceleration is to the right and negative value if the acceleration is to the left.

a =

14.4 fts2