FORCE AND MOTION ASSESSMENT BY MS.SYLVESTER

Why do we need friction?

• It helps objects go faster. 
• It helps objects go up higher.
• It helps make objects go slower or stop.

The force that two surfaces exert on each other when they rub against each other.

• Friction
• Gravity
• Weight
• Force

Is a force that pulls objects toward each other and down to the ground

• Force
• Friction
• Gravity
• weight

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Ted was rolling a pencil on his desk and the pencil fell down to the ground. What force made this occur?

• Magnetism
• Gravity
• Friction

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Look at the image. What two forces are happening in this picture? 

• Friction & Magnetism
• Magnetism & Gravity
• Friction & Gravity

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A _____________ is always a PUSH or a PULL of an object. 

• Motion
• Force
• Friction
• Gravity

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What is motion?

• change in position over time
• Force
• Work
• Motion

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Newton's _______ Law of Motion means that objects at rest will stay at rest and objects in motion will stay in motion. 

• First
• Second
• Third
• Fourth

Newton's ____________ Law means that for every action there is an equal and opposite reaction. 

• First
• Second
• Third
• Fourth

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Alex had a ramp that was 3 books tall. Haley had a book that was 8 books tall. Haley's ramp is steeper. When a ramp is steeper it causes the object to

• slow down

• stay the same

• speed up

• stop

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