Newton’s third law of motion	Newton’s third law states that if we are applying a force on any object then that object also applies equal and opposite force on us. It is also called the action and reaction force. Applied force = Reaction force. Rocket exhausting a gas with a very high velocity which provides the reaction force on the rocket, due to which it moves upward.
Newton’s first law of motion-	Newton’s first law states that an object will remain at rest or in uniform motion unless an external force acts upon it. It is also called the law of inertia.
Newton’s second law of motion	The acceleration of any object is directly proportional to the net applied force. The direction of the acceleration of the object will always be in the direction of the net applied force. F = ma, where m is the mass of the object and a is the acceleration of the object.
Conservation of energy	The conservation of energy states that energy neither can produce nor can destroy, it can convert from one form to another form.

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