A team of dogs drags a 119 kg sled 2.1 km over
a horizontal surface at a constant speed. The
coefficient of friction between the sled and the
snow is 0.172.
The acceleration of gravity is 9.8 m/s
2
.
Find the work done by the dogs.
Answer in units of kJ
1 answer
W=W(fr)= μ•m•g•s