newton’s 1 st law of motion. the law an object at rest tends to stay at rest and an object in...
TRANSCRIPT
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Newton’s 1st Law of Motion
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The Law
• An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted on by an unbalanced force.
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Free Body Diagrams
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Question
• If objects in motion tend to stay in motion, why don’t they keep going forever?
• Unbalanced Forces!!!• What are some examples of forces that can
act upon an object?
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Friction
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Gravity
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Inertia
• Inertia is how much an object will resist a change in motion
• More mass means more inertia