# How much work would it take to push a # 8 kg # weight up a # 13 m # plane that is at an incline of # pi / 4 #?

##### 1 Answer

Jan 4, 2016

**W = 721 J**

#### Explanation:

Assume the surface is frictionless. Therefore the only work done is against the weight.

**Weight of the mass:**

**Work done against the weight:**