Horse does 200 lb while pulling a sled for 3 mi .how much work does the horse do?

Question

asked Dec 9, 2019 14.7k views

1 Answer

Latoyia · Answer 1 · 2019-12-15T11:30:24+0000

Let's convert the quantities in SI units first.
The force exerted by the horse is

F=200 lb=889.6 N

and the distance covered is

d=3 mi=4828 m

Therefore, the work done by the horse is equal to the product between the force applied and the distance:

$W=Fd=(889.6 N)(4828 m)=4.29 \cdot 10^6 J$