A tow truck pulls a car 5 kilogram along a horizontal roadway using a cable having tension of 859 Newton.
a) Find how much work does the cable do on the car if it pulls horizontally? If it pulls at 35o above the horizontal?
b) Determine how much work does the cable do on the tow truck in both cases of part a?
c) Determine how much work does gravity do on the car in part a?