newton’s 1 st law of motion. the law an object at rest tends to stay at rest and an object in...

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Newton’s 1 st Law of Motion

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Page 1: Newton’s 1 st Law of Motion. 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

Newton’s 1st Law of Motion

Page 2: Newton’s 1 st Law of Motion. 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

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.

Page 3: Newton’s 1 st Law of Motion. 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
Page 4: Newton’s 1 st Law of Motion. 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

Free Body Diagrams

Page 5: Newton’s 1 st Law of Motion. 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

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?

Page 6: Newton’s 1 st Law of Motion. 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

Friction

Page 7: Newton’s 1 st Law of Motion. 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

Gravity

Page 8: Newton’s 1 st Law of Motion. 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

Inertia

• Inertia is how much an object will resist a change in motion

• More mass means more inertia

Page 9: Newton’s 1 st Law of Motion. 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

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