F=85*cos20 N
work=fd= 85*cos20*30
work =2,4 kNm
A person pulls a toboggan for a distance of 30.0 m along the snow with a rope directed 20.0° above the snow. The tension in the rope is 85.0 N.
(a) How much work is done on the toboggan by the tension force?
1 answer