Newton's Laws

"For every action, there is an equal and opposite reaction."

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

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Force = Mass x Acceleration

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

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The tendency of an object to resist changes in its motion is...

• inertia
• force
• acceleration
• velocity

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The force that opposes motion between two surfaces in contact with each other.

• inertia
• friction
• momentum
• gravity

When all the forces on an object are equal and opposite, & the net force is zero, that's...

• balanced forces
• unbalanced forces
• terminal velocity
• reaction forces

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An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...

• action force
• reaction force
• net force
• inertia

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An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...

• action force
• reaction force
• net force
• inertia

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A 10 lb. bowling ball hits a stationary 20 lb. bowling ball. Which of the following is not true about the 2nd ball?

• will have unbalanced forces acting on it
• move twice as fast as the original ball
• not move unless there is enough force to overcome its inertia
• take on the momentum of the original ball

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In the picture, the vehicle will move because of...

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 9th Law

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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

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