Force and Motion

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

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NGSS.MS-PS2-4

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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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NGSS.MS-PS2-1

The measure of the force of gravity on your body is your _________________

• height
• length
• weight
• age

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NGSS.MS-PS2-4

A _____________________ must be exerted on an object at rest to cause it to move.

• weight
• inertia
• force
• gravity

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NGSS.MS-PS2-2

A push or pull that causes an object to move, stop, or change direction.

• force
• motion
• energy
• inertia

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NGSS.MS-PS2-2

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A _____ moves an object closer to you.

• push
• pull
• friction
• cat

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NGSS.MS-PS2-2

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_____ is the force that slows and stops motion between touching objects.

• Friction
• Gravity
• Pull
• Push

What keeps the Moon in orbit around Earth?

• Earth's rotation.
• Earth's atmosphere.
• Earth's gravity.
• Earth's shape.

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NGSS.MS-PS2-4

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Is gravity a push or a pull?

• push
• pull
• neither
• both

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NGSS.MS-PS2-4

Philip is playing tug of war with Nancy. They both understand that to win the game of tug of war, one player must pull the flag over their opponent's line, but during this particular game, the flag tied to the center of the rope is not moving.What is happening to the rope in this example?

• Philip is applying more force in one direction. 
• Nancy is applying more force in one direction. 
• Philip and Nancy are applying equal forces in the same direction. 
• Philip and Nancy are applying equal forces in opposite directions. 

Tags

NGSS.MS-PS2-2