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Newton’s Second Law

Newton’s Second Law. F=ma or a = f m The acceleration of an object depends on the mass and the amount of force applied. Newton's Laws of Motion.

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Newton’s Second Law

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  1. Newton’s Second Law

  2. F=ma or a = f m The acceleration of an object depends on the mass and the amount of force applied.

  3. Newton's Laws of Motion Second law: The greater the force applied to an object, the more the object will accelerate. It takes more force to accelerate an object with a lot of mass than to accelerate something with very little mass. The player in black had more acceleration thus he hit with a greater amount of force

  4. Newton's Laws of Motion Second law: • The greater the force, the greater the acceleration • The greater the mass, the greater the force needed for the same acceleration • Calculated by: F = ma • (F = force, m = mass, a = acceleration)

  5. Newton (N) • Force is measured in Newtons (N) • 1N = 1kg x m/s²

  6. Newton's Laws of Motion Do the math--apply: F = ma • What is the force needed to move the 2 vehicles on the force diagram below? • How will the acceleration of the blue car change if the force is doubled?

  7. Examples of Newton’s 2nd Law a) hitting a baseball, the harder the hit, the faster the ball goes b) accelerating or decelerating a car c) The positioning of football players - massive players on the line with lighter (faster to accelerate) players in the backfield d) a loaded versus an unloaded truck

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