NGSS.MS-PS2-1

Which is true from Newton's Third law of motion?

• For every action force there is a smaller reaction force in the opposite direction.
• For every action force there is an equivalent reaction force in the opposite direction.
•  Both 1 and 2
• None of the above

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NGSS.MS-PS2-1

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

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NGSS.MS-PS2-1

Any push or pull on an object.

• force
• velocity 
• inertia
• momentum

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NGSS.MS-PS2-1

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

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

• The Law of Inertia (1st law)
• The Law of Acceleration (2nd law)
• The Law of Conservation of Momentum
• Action Reaction Law (3rd law)

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NGSS.MS-PS2-1

Newton’s law states that for every action, there is an ________ reaction.

• unequal and opposite

• equal and similar

• stronger and opposite

• equal and opposite

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NGSS.MS-PS2-1

Which law does this picture represent?

• 1st

• 2nd

• 3rd

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NGSS.MS-PS2-1

A rocket pushes exhaust 10, 000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?

• 15,000 N
• 1,000 N
• 10, 000 N

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NGSS.MS-PS2-1

When you step on a small pebble, the pebble applies an equal and opposite force on your foot.

• True

• False

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NGSS.MS-PS2-1

What is the action in the picture?

• The man pushing against the wall

• The wall pushing back at the man

• The ground pushing against the man's foot

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NGSS.MS-PS2-1