
Force Problem
Calculate the force (in Newtons) required to push a 20kg wagon up a 0.5 radian inclined plane. One Newton (N) is equal to 1https://webwork.math.lsu.edu/webwork...17b12f0d71.png, and the force due to gravity on the wagon is https://webwork.math.lsu.edu/webwork...cce797e421.png, where https://webwork.math.lsu.edu/webwork...ddbff75931.png is the mass of the wagon, and https://webwork.math.lsu.edu/webwork...bac3578ca1.png is the acceleration due to gravity (9.8https://webwork.math.lsu.edu/webwork...b906cfc7f1.png). Please ignore friction in this problem.
Please help!

Don't think you need calculus for this.
As you push the wagon up the incline, the component of gravity parallel to the incline ($\displaystyle F_{} = mg\sin 0.5$) is what counteracts the force you're providing. So, the force you provide must be equal to this (in which case the wagon would be moving at a constant velocity) or greater (in which there will be a net force accelerating the wagon upward).

I'm inputting [20(9.8)sin(0.5)] into the program accepting my answers and it is claiming it incorrect. Am I doing something wrong?
Edit: The program is at fault, thanks for the help!