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Understanding Newton's Second Law of Motion

Explore Newton's Second Law of Motion and its implications on force, mass, and acceleration. Learn about the relationship between them and how to calculate force using the formula F=ma. Includes a sample problem for practical understanding.

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Understanding Newton's Second Law of Motion

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  1. Newton’s Second Law of Motion Chapter 4, Section 3 Pg. 136-138

  2. F F Newton’s Second Law of Motion • The net force acting on an object causes that object to accelerate in the direction of the net force. • Greater the force = Greater acceleration.

  3. F F Newton’s Second Law of Motion • Inverse relationship between mass and acceleration!!! • The greater the mass, the more force it takes to accelerate an object at the same rate of a less massive object!!!

  4. Newton’s Second Law of Motion • The relationship between force, mass, and acceleration is expressed as: ΣF = ma SI unit = kg x m/s² = N

  5. Sample Problem • What is the force of a baseball weighing 0.06 kg that is accelerating towards a wall at 5,500 m/s²? m = 0.06 kg a =5,500 m/s² F = ma = (0.06 kg x 5,500 m/s²) = 330 N

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