Question

Find the force in newtons that does 0.0284 kilojoules of work in moving a book a distance of 4.00 meters

Answer 1

Work = (force) x (distance

28.4 joules = (force) x (4 meters)

Divide each side by (4 meters) :

Force = (28.4 joules) / (4 meters)

Force = 7.1 Newtons