Physics, 25.05.2021 20:42
You lift a heavy suitcase from the floor to the top shelf of the closet exerting power of 200 W in 3 seconds. If the suitcase’s mass is 30 kg, what is the force that you exerted on the suitcase? Is this problem realistic? Discuss the process from the point of energy conservation. Is the energy constant? Is the energy conserved?