A 10-Kg Block Is Pushed Up a Rough 22 $\degree$ Inclined Plane by a Force of 7

Multiple Choice

A 1.0-kg block is pushed up a rough 22 $\degree$ inclined plane by a force of 7.0 N acting parallel to the incline.The acceleration of the block is 1.4 m/s² up the incline.Determine the magnitude of the force of friction acting on the block.

A) 1.9 N
B) 2.2 N
C) 1.3 N
D) 1.6 N
E) 3.3 N