Forces and Motion

Which type of force resists motion?

• Friction

• Gravity

• Pull

• Push

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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

What should you do to make a toy car roll faster down a ramp?

• Push it with more force

• Push it with less force

• Remove the force of gravity

• Use magnetism to push it down

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NGSS.HS-PS2-1

.....................is a force that pulls objects together. On Earth, it is a force that pulls all objects to Earth's center.

• Forces

• Air Resistance

• Gravity

• Mass

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NGSS.HS-PS2-4

...................is a force caused by two things rubbing against each other.

• Force

• Friction

• Gravity

• Mass

Forces that are not equal in size and opposite in direction are called ....................

• unbalanced forced

• balanced forces

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NGSS.3-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 the net force?

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

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NGSS.HS-PS2-1

What is the net force

• 10 N
• 0 N
• 25 N
• 1 N

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NGSS.HS-PS2-1

What is the net force?

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

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NGSS.HS-PS2-1