Motion

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

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When objects remain in the same place, it is called...

• gravity
• friction
• balanced force
• unbalanced force

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What is the force that causes everything to be pulled down to the Earth?

• friction
• gravity
• balanced
• unbalanced

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Force is measured in....

• Galileos 
• Newtons
• Di Vincis
• Einsteins 

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An unbalanced force is when objects move in one direction because the force is greater from that direction.

• true
• false

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Inertia is....

• for every action, there is an equal and opposite reaction
• larger objects take more force to move 
• an object in motion tends to stay in motion unless acted on by an opposite force
• a push that acts in the opposite direction and it slows down.

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What is a force that works AGAINST MOTION?

• Force
• Motion
• Gravity
• Friction

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Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

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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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What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

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