![]() ![]() But perpetual motion machine is not such kind of machine from its definition.Īll the explanations converge to violation of conservation of energy if such a machine were to exist. This means the machine must slow down and eventually stop. If we were to invent such machine we would violate the laws of thermodynamics.Īccording to the law of thermodynamics, if work is done without supply of any energy, the machine’s energy must decrease (conservation of energy). ![]() Unlike perpetual motion, a perpetual motion machine is something from which we can generate work without its motion being halted till eternity as stated earlier. Perpetual motion machine and its possibility Even Earth is slowing down at a very slow rate, everything is. So, Perpetual motion is however not experienced with the presence of such losses and resisting forces. But energy transfer in the form of different radiations or tides is inevitable. So constant force systems are equivalent to no force systems on the basis of physics. If the force applied is constant, relativity implies that the laws of physics are not affected. Also, energy transfer can be seen even in the heavenly bodies whose motion seems perpetual, which tends to oppose its motion. Still, an object in space is acted upon by gravity if no other forces. ![]() Friction appears within object- medium interface, as the motion is on a medium when we are on Earth. But, it’s not experienced in our daily life because we cannot have a completely force (against the motion) free environment in the world. Newton’s statement is amicable with our topic of discussion, perpetual motion. Thus, if there is no force acting on a moving object, it remains perpetually in motion. Newton’s first law states that “Every body continues in its state of rest or uniform motion unless an external force acts upon it.” This means that a body in motion will be in perpetual motion if it is not acted upon by some force that can cease its motion. Who would not imagine such machines, like a car to which you don’t need to add gas? Can we build such machines that can do continuous work without the addition of fuel (energy input)? Perpetual motion machine means a machine that moves for indefinite time and gives us output work. ![]()
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