A 20-Kg Block Slides on a Frictionless 25 $\degree$ Inclined Plane

Multiple Choice

A 2.0-kg block slides on a frictionless 25 $\degree$ inclined plane.A force of 4.6 N acting parallel to the incline and up the incline is applied to the block.What is the acceleration of the block?

A) 1.8 m/s² up the incline
B) 2.3 m/s² up the incline
C) 6.6 m/s² down the incline
D) 1.8 m/s² down the incline
E) 2.3 m/s² down the incline