A 21-Kg Mass Is Pushed Up a Smooth Incline Using $2$

Multiple Choice

A 21-kg mass is pushed up a smooth incline using a horizontal force. The incline makes an angle of 35° with the horizontal, and the acceleration of the mass along the incline is 1.5 m/s $2$ . Find the horizontal force.

A) 120 N
B) 180 N
C) 230 N
D) 210 N