PAST PAPER OF YEARS--2017/2016-SUPPLY/2013
A horse pulls a cart horizontally with a force of 60lb at angle of 300 above the horizontal and moves along at a speed of 8 miles per hour. How much work does the horse do in 15 minutes and what is the power output of the (1hp = 550 ft-lb/s), (1 mile = 5280ft)