How great a mass could be lifted at 10 meters per second by a motor with 120 volts current and puts out 20 amperes?
Assuming 100% efficiency P=IV Power = 120 x 20 = 2400WPower = Energy/ timeIn 1 second Energy used in lifting= 2400J Energy = Force x displacement Displacement in 1 second = 10m Force= mass x gravitational field strength = mg Taking g = 10 N/kg Energy = mgh where h is height (or displacement) 2400= m 10(10) 2400 = 100m m = 24 kg