Newtons First Law

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Newton's 1st Law is also called the Law of ...

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Inertia

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What happens to an object at rest according to Newton's 1st Law?

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It remains at rest until a force acts on it.

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What happens to an object in motion according to Newton's 1st Law?

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It continues moving at a steady rate in a straight line until a force acts on it.

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What is inertia?

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Inertia is the tendency of an object to resist changes in its state of motion.

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If an object has twice the mass of another object, what else does it have twice as much of?

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Inertia.

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What type of friction acts on an object that is not yet moving?

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Static Friction.

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What type of friction do swimmers experience while moving through water?

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Fluid Friction.

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What is the role of force in Newton's 1st Law?

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Force is what causes an object to change its state of motion.

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What is an example of an object at rest?

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A book lying on a table.

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What is an example of an object in motion?

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A car driving down a straight road.