A motor is used to lift a person sitting on a platform that, combined weighs 650 N. The platform is lifted 25.0 m straight up in 18.0 seconds. What power is developed by the motor in watts?
G:ivens: Force, F, displacement, s and time, t
U:nkowns: Power, P
E:quation: P = Fs/t
S:ubstitute P = (650 x 25)/18
S:olve P = 902 7/9 watts
