How much work is done when a load is moved 3ft by a 20 lb force?

1 Answer
Mar 8, 2018

#8.29 \ "J"#

Explanation:

We must convert to #SI# units.

Work is defined by the equation:

#W=F*d#

#F# is the force in newtons, #d# is the distance in meters.

We have: #3 \ "ft"=0.9144 \ "m",20 \ "lbs"=9.07 \ "kg"#

So, we have

#W=0.9144 \ "m"*9.07 \ "kg"#

#=8.29 \ "J"#