NGSS.MS-PS2-2

If there are two forces going in the same direction how would you find the net force?

• Subtract
• Add
• Neither
• Multiply

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NGSS.MS-PS2-2

According to Newton's second law, if you increase the force applied to an object :

• it accelerates more
• it doesn't move
• you get more inertia
• it decelerates

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NGSS.MS-PS2-2

A truck that is travelling at a constant speed is carrying some boxes.  If the truck comes to a sudden stop, what will most likely happen to the boxes?

• They will stay in the middle of the truck.
• They will slide toward the front of the truck.
• They will slide toward the back of the truck.
• They will fall off the side of the truck.

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NGSS.MS-PS2-2

Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.

• If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
• Yes.
• No.
• I think the construction paper air plane will fly faster.

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NGSS.MS-PS2-2

What force ultimately slows the roller coaster to a stop?

• Applied
• Normal
• Friction
• Magnetic

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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

Force = Mass x Acceleration

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

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NGSS.MS-PS2-2

According to Newton’s Law of Inertia, an object that is moving will change its motion only if what kinds of forces act on it?

• Constant forces
• Unbalanced forces
• Unbalanced forcesStrong forces
• Gravitational forces

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NGSS.MS-PS2-2

The diagram below represents two tug-of-war teams pulling on a rope and the forces for this situation. Group A applies a force of 420 N, and group B applies a force of 380 N.

• 40 N to the right

• 40 N to the left

• 800 N upward

• 800 N downward

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NGSS.MS-PS2-2

Who wins the tug of war with what net force?

• The person on the left with 20 N
• The person on the left with 80 N
• The people on the right with 20 N
• The people on the right with 100 N

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NGSS.MS-PS2-2