Laws of Motion

Isaac Newton's three basic laws of motion are presented here along with the equations that derive from them.

  • Conservation of Momentum :
    An object in motions tends to remain in motion. An object at rest tends to remain at rest. An external force is required to change the momentum.

  • Relationship of Force, Mass and Acceleration : F = ma. Acceleration and force are vectors, and the force vector operates in the same direction as the acceleration.

  • Action / Reaction : For every action there is an equal and opposite reaction.




Rotational motion with constant
acceleration in the θ-plane.

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Translational motion with constant
acceleration in the x-plane.

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