The brakes of a truck cause it to slow down by applying a retarding force of 2350 N to the truck over a distance of 817 m. What is the work done by this force on the truck?

Answer 1

W=(F,s)=F•s•cosα =
= 2350•817•cos180º=
= 2350•817•(-1)=
= - 1919950 J