A 30-Kg Block Slides on a Frictionless 20 $\degree$ Inclined Plane

Multiple Choice

A 3.0-kg block slides on a frictionless 20 $\degree$ inclined plane.A force of 16 N acting parallel to the incline and up the incline is applied to the block.What is the acceleration of the block?

A) 2.0 m/s² down the incline
B) 5.3 m/s² up the incline
C) 2.0 m/s² up the incline
D) 3.9 m/s² down the incline
E) 3.9 m/s² up the incline