Lesson 3: Force Pairs

What is force?

• A push exerted on an object
• A push or pull on an object
• A pull exerted on an object
• Nothing

This is an example of what kind of force?

• Balanced Force
• Pushing Force
• Gravity Force
• Unbalanced Force

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If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

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If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

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Newtons law states that for every action, there is an_________ reaction

• unequal and opposite

• stronger and opposite

• equal and similar

• equal and opposite

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Force always come in________

• waves

• triplets

• pairs

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When a heavy football player and a light one run into each other, who exerts more force

• The light one

• Their force are equal

• The heavy one

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How is this an example of Newton's Third law

• Only the ball is using the head

• only the head is pulling the ball

• They are both exerting an equal force on each other

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The forces in a force pair are in _______ direction

• opposite

• same

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When a small car pushes a big truck, the truck applies an equal and opposite force on the car.

• False

• True

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