![]() It is an error to add up the two forces and claim that the net force is zero. Action and reaction forces act upon different bodies, but not on the same body.By the same analysis, any one of them may be called action and the other reaction. Therefore the forces applied are instant. But there is no cause-effect relationship. The terms action and reaction in Newton’s third law may give a blurred impression that action comes before reaction i.e action is the cause and reaction the effect.Hence the forces occur in pairs which are applied in opposite directions. Using different terms for the same physical concept sometimes created confusion. The terms action and reaction used in the third law mean nothing else but ‘force’.Here are some important points related to Third’s law of motion: So there are many misinterpretations relating to this. Newton’s third is so crisp and beautiful that it has become part of common usage in our daily life. These two forces are equal in magnitude but are applied in opposite directions. Newton’s third law talks of two types of forces, that is action forces and reaction forces. What is the Newton’s Third Law of Motion?Īccording to Newton’s Third law of motion, “To every action, there is an equal and opposite reaction”. The two forces exerted are called action forces and the other reaction forces. ![]() It means that the force exerted by the spring balance on the free end of the spring balance is equal but opposite in direction to the force exerted by the spring balance which is attached to the fixed end. When a force is applied through the free end of the spring balance, it is seen that both the spring balances show the same readings on their scales. The fixed end of the balance is attached to a rigid support, like a wall. ![]() Let us suppose an example, Consider two spring balances that are connected together. Hence the amount of magnitude of the force is equal but in the opposite direction. Newton’s third law of motion states that when one object exerts a force upon another object then another object exerts an equal amount of force on the first object. Newton’s first law of motion and Newton’s second law of motion tell about how an applied force changes the motion and provide us with a method of determining the force. Newton’s Third Law: Newton’s laws of motion are the basis of classical mechanics, which is one of the branches of Physics. What is the Newton’s Third Law of Motion?.
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