Work = 13800 J = F*cosA*180m
F = 122 N
Solve for cosA, and get the angle A from that.
I get 51 degrees
An 845 N sled is pulled a distance of 180 m. The task requires 1.38 x 104 J of work and is done by pulling on a rope with a force of 122 N. The rope is held at _____° above the horizontal.
1 answer