NGSS.MS-PS2-1

Studies motion, forces, and energy to explain the way things work

• physicist
• geologist
• biologist
• ecologist

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NGSS.MS-PS2-1

Forces always act in equal and opposite pairs.

• Newton's 1st Law
• Newton's 3rd Law
• Newton's second law

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NGSS.MS-PS2-1

As the fuel in a rocket ignites, the force of gas expansion pushes backward on the rocket causing the rocket to push forward against the gases.

• Newton's

  1st

  Law of Motion

• Newton's

  2nd

  Law of Motion

• Newton's

  3rd

  Law of Motion

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NGSS.MS-PS2-1

The force between the two people through the rope is

• Contact Pull

• Non-contact Pull

• Contact Push

• Non-contact Push

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NGSS.MS-PS2-1

Two forces act on an object to the right at the same time. What force is required to bring the object into equilibrium?

• 9 N to the right

• 9 N to the left

• 3 N to the left

• 18 N to the left

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NGSS.MS-PS2-1

This game of tug of war is an example of _________ forces.

• unbalanced

• balanced

• potential

• net zero

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NGSS.MS-PS2-1

What will the net force on the soccer ball be?

• 50 N to the left

• 50 N to the right

• 200 N to the left

• 200 N to the right

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NGSS.MS-PS2-1

Person on the left = 45 N

Person on the right = 32 N

What is the net force?

• zero N

• 10 N

• 77 N

• 13 N

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NGSS.MS-PS2-1

Which scientist gave us the laws of motion?

• George Washington

• John Adams

• Sir Isaac Newton

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NGSS.MS-PS2-1

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

• True

• False

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NGSS.MS-PS2-1