Newton's Laws of Motion 3
Newton's Laws of Motion 3 : A set of three fundamental postulates motion: forming the basis of the mechanics of rigid bodies, and first formulated by Newton in 1687. The first law is concerned with the principle of inertia and states that if a body in motion is not acted upon by an external force, its momentum remains constant (law of conservation of momentum). The second law asserts that the rate of change of momentum of a body is proportional to the force acting upon the body and is in the direction of the applied force. A familiar statement of this is the equation: F = ma, where F is vector sum of the applied forces, m the mass, and a the vector acceleration of the body. The third law is the principle of action and reaction, stating that for every force acting upon a body there exists a corresponding force of the same magnitude exerted by the body in the opposite direction. N.B. Refer to source to verify equation(s)
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