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Definition of Newton's second law

Newton's second law Definition from Language, Idioms & Slang Dictionaries & Glossaries
WordNet 2.0

1. the rate of change of momentum is proportional to the imposed force and goes in the direction of the force
(synonym) second law of motion, Newton's second law of motion
(hypernym) Newton's law of motion, Newton's law, law of motion
Newton's second law Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Newton's laws of motion are three physical laws that together laid the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to said forces. They have been expressed in several different ways over nearly three centuries, and can be summarised as follows:
  1. First law: When viewed in an inertial reference frame, an object either remains at rest or continues to move at a constant velocity, unless acted upon by an external force.
  2. Second law: . The vector sum of the forces F on an object is equal to the mass m of that object multiplied by the acceleration vector a of the object.
  3. Third law: When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body.

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