Respuesta :

W= F*D ==> W= 70 * 0.9= 63 J
MissPhiladelphia
Work, very simply, equals force times distance (when the force and distance are in the same direction. otherwise you get a little bit of trig added on) \[W=F*\Delta x\] W=70N * 9.0 m = 630 Nm = 630 J