What is the work done by a horse that exerts an applied force of 100 N on a sleigh, if the harness makes an angle of 30° with the ground, and the sleigh moves 30 m across a flat level ice surface?
I get approximately
Work done is given by the equation,
#W#is the work done in joules
#F#is the force in newtons
#d#is the distance moved in meters
#theta#is the angle of incline in degrees
So, we get: