Newton's third law states that forces come in pairs: when one body exerts a force on another, an equal force is exerted in the opposite direction. The correct options are I & III only, showcasing practical applications like boat movement and jet propulsion.
Newton's third law of motion states: When one body exerts a force on a second body, the first body experiences a force that is equal in magnitude and opposite in direction to the force it exerts. This is exemplified in scenarios like a boat moving in the opposite direction when a package is thrown out or the forces between two colliding cars.
The correct statement about Newton's third law of motion from the options provided is: Answer D: I & III only. This is because the law's application in the operation of jet aeroplanes and rockets (III) and the scenario of a boat moving in the opposite direction when a package is thrown out (I) align with the law's principles.
Some applications: Newton's third law is critical in understanding rocket propulsion, where gas is expelled downwards to create an upward thrust, and also in everyday scenarios like walking, where the ground exerts a force enabling movement.
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