You are pulling a sled with 2 children in it (see below). The children and and sled have a combined mass of 40.0 kg. You are pulling with a total force of Pull = 113 N at an angle of θ = 27.0∘. You pull the sled a horizontal distance of 16.5 m. There is a force of friction between the ground and the sled with a value of f = 29.0 N. What is the work done by gravity on the sled?