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How much torque is required to lift a mass of 50 kg using a ball screw and a stepper motor? - Quora
How much mass in kg can I lift to 1 m height, with 1 kWh of energy? - Quora
How much energy is required to lift 1kg of mass by 1m? - Quora
A machine which is 75 percent efficient uses 12J of energy in lifting up a 1kg mass through a certain distance. The mass is then allowed to fall through that distance. What
Does 60 kg-cm in motors mean it can lift 60 kg? - Quora
A pump is required to lift 800 kg of water per minute from a 10 m deep well and eject it with speed of 20 m/s. The required power in watts of