Unit 8 Review - Physical Science

It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

• Newton's first law, the law of inertia

• Newton's second law, the law of acceleration

• Newton's third law, the law of action reaction

• The law of universal gravitation

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What is Newton's 1st law?

• Law of Force and Acceleration

• Law of Inertia

• Law of Action-Reaction

• Law of motion

Newtons 3rd Law of Motion states:

• An object at rest will remain at rest unless acted upon by an outside force.

• For every action, there is an equal and opposite reaction

• The greater the mass of an object, the more force it will take to accelerate the object

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What Newtons law does this picture represent

• Newtons 1st law

• Newtons 2nd law

• Newtons 3rdt law

• Newtons 4rth law

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Which is an example of Newton's 2nd law?

• A ball bouncing

• A fan spinning

• Pushing a 10 pound box

• Sneezing

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A fireman turns on his hose and is knocked backwards is an example of...

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4rth Law

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Which law would we think of when we see the flames of a rocket shooting down so the rocket can go up?

• 1st

• 2nd

• 3rd

Which law can be simply described with the equation:

F = MxA

• 1st

• 2nd

• 3rd

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A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Suppose an Astronaut floating in space throws a rock. What will happen to the rock?

• It will continue to move in the same direction, getting faster and faster as it moves.

• It will continue to move at the same speed and in the same direction until it is acted upon by another force.

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