Newton's First Law of Motion

Looking at the image. Decide if this is balanced or unbalanced.

• Unbalanced

• Balanced

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NGSS.MS-PS2-2

The force that prevents a ball rolling on the ground from continuing on it's path forever is...

• Friction

• Gravity

• Inertia

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NGSS.MS-PS2-2

A force that pushes back against one object moving past another object

• gravity

• friction

• inertia

• mass

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NGSS.3-PS2-1

If these teams 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

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

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NGSS.MS-PS2-2

What is the net force?

• 400 N Up
• 400 N Down
• - 400 N Down
• 800 N Down

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NGSS.MS-PS2-2

Which of the blocks above has balanced forces acting on it?

• A
• B
• C
• D

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NGSS.MS-PS2-2

An object's tendency to resist (not) change its state of motion is called ____________.

• gravity

• force

• inertia

• friction

What does friction do to a moving object?

• Makes it rise

• Speeds it up

• Slows it down

• All choices are correct

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NGSS.MS-PS2-2

While you’re ice-skating with your friends, you push off from one end of the rink and slide forward. Based on Newton’s first law of motion, what is true?

• You will continue to slide until a force makes you stop or change direction.

• The force of gravity will make you keep your velocity.

• You will not go far.

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NGSS.MS-PS2-2