Forces and Motion

Which type of force resists motion?

• Friction

• Gravity

• Pull

• Push

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NGSS.3-PS2-1

What happens in a game of tug-a-war when both teams pull the rope with equal force and in opposite directions?

• The rope does not move

• Both teams move to the right

• Both teams move to the left

• Both teams fall down

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

What force attracts some metals and it is a noncontact force?

• Push

• Pull

• Magnetism

• Friction

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A student is pushing a book with a force of 10 Newtons to the left. Another student is pushing the book to the right. How many Newtons of force is the second student pushing with if the book is not moving?

• 10 Newtons

• 5 Newtons

• 0 Newtons

• 1 Newton

Tags

NGSS.MS-PS2-1

To drag a sofa over carpet, movers sometimes use slippery pads. Which force is reduced with the use of the pads?

• Friction

• Gravity

• Push

• Magnetism

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NGSS.3-PS2-1

Why does a newly oiled machine work faster than a machine that hasn't been oiled?

• Oil reduces the friction between the parts

• Oil increases the friction between the parts

• Gravity acts more on an old machine

• Gravity acts more on a new machine

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NGSS.MS-PS2-2

Which type of force(s) will cause a change in an object's motion?

• gravity
• zero net force
• balanced forces
• unbalanced forces

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NGSS.MS-PS2-2

What is the name for a push or pull?

• A movement
• A force
• Speed
• Density

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You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20N 
• 40N 
• 10N 
• 70N

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NGSS.MS-PS2-1

What Unit do we Measure Force in? 

• Newtons
• Joules
• Force
• Don't know

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