Question

A woman exerts a horizontal force of 1 pounds on a box as she pushes it up a ramp that is 2 feet long and inclined at an angle of 30 degrees above the horizontal. Find the work done on the box in ft -lbs.

...?

Answer 1

work done = force times distance the force parallel to the slope of the ramp 1 * cos 30 degrees work done = cos 30 * 2 ft lbs