Force and Motion

What is a force?

• A push or a pull that causes motion

• Something you do to an object

• Exertion

• Gravity acting on an object

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Every action has an equal, but opposite reaction

• Newton’s 1st Law of Motion

• Newton’s 2nd Law of Motion

• The Law of Inertia

• Newton’s 3rd Law of Motion

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Select the different types of forces

• Push

• Walk

• Pull

• Gravity

• Magnetism

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True or False: Newton’s 2nd Law of motion states that if net force is used on an object, acceleration will happen

• True

• False

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The equation for Newton’s 2nd Law is

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What are the units of force?

• kg

• m/s2

• mL

• N

When mass is 10 kg and acceleration is 2 m/s², what is force? HINT: F = ma

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An object in motion stays in motion and an object a rest stays at rest unless acted on by an outside force

• Newton’s 3rd Law

• Newton’s 1st Law

• The Law of Inertia

• F=MA

The smaller the mass you have, the _____ force you need to change its motion.

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When mass is 1600kg and acceleration is 5m/s², what is force? HINT: F = ma