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Newton’s 2 nd Law Of Motion By Mr. Yum

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Newton’s 2 nd Law Newton’s 2 nd Law is defined as: Newton’s 2 nd Law is defined as: F = m x a Where, F = force, m = mass, and a = acceleration

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Example problem A car of mass 20kg is accelerating at 3m/s. What is its force? A car of mass 20kg is accelerating at 3m/s. What is its force? F = m x a F = 20 x 3 F = 60N

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Types of Forces Contact Forces Contact Forces Frictional Force Frictional Force Tension Force Tension Force Normal Force Normal Force Air Resistance Force Air Resistance Force Applied Force Applied Force Spring Force Spring Force Distant Forces Distant Forces Gravitational Force Electrical Force Magnetic Force

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Determining Net Force 5 + 5 = 10 5 + -5 = 0

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