Unit 3 Test Review: Force and Motion

Law of Inertia

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

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A horse exerts a force to accelerate a wagon with a heavy mass.

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

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The unit for FORCE is:

• Joules (J)

• Newtons (N)

• Watts (W)

In physical science, a push or a pull is called a/an:

• Acceleration

• Inertia.

• Force.

Work:

• When a force moves an object.

• The rate at which speed changes.

• The distance an object travels in a certain period of time.

• The speed AND direction of an object.

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The amount of matter (atoms) in an object.

• Mass

• Weight

• Force

• Newton

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Simone Biles tumbles across the floor with an acceleration of 3m/s² striking the floor with a force of 141N. What is her mass?

• 141N $\div$ 3m/s² = 47 kg

• 3m/s² $\div$ 141N = 0.02 kg

• 141N $\times$ 3m/s² = 423 kg

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What is the net force on the rope?

• 12 N

• 58 N

• 12 N + 58 N = 70 N

• 58 N - 12 N = 46 N

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What is the net force on the ball?

• 5 N

• 9 N

• 5 N + 9 N = 14 N

• 9 N - 5 N = 4 N

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