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Ryan- How does mass affect acceleration?

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Ryan- How does mass affect acceleration?

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Jody：inversely proportional

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What does Newton's first law of motion state about the motion of objects?

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（Moana）answer:The larger the mass of an object, the greater its inertia. The smaller the mass, the smaller the inertia

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What cause force to slow down or speed-up?

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How does Newton's first law of motion relate to the concept of inertia frames of reference?

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A roller coaster goes up and down, describe how energy transferred when the roller coaster get up and goes down.

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When m increases in Newton's second law, what is the ratio of m and a? Proportional or inverse？How does a happen?

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What is Newton third law？

(Moana)Answer:

Action and reaction,For every action there is an equal and opposite reaction.

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the higher place in the earth, what happen with the acceleration of a dropping ball?

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F/M

Ethan lai：f/m

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Explain how Newton's second law relates to the motion of objects.

Jody：F=ma

Ethan lai:f=ma

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How does Newton's first law of motion explain the behavior of objects when no external forces act upon them?

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What are the inertial factors that affect the object?

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Andie use 182N force to move a water bucket to a distance of 10m, describe the work done.

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What is the primary force that would cause an object moving through the air to slow down over time?

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If you push a ball with a force in the direction of its motion, what effect would this have on the ball's speed?

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What is Newtons first law

Ethan wong-Objects resist changes to their state of motion.

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Is inertia a kind of force?

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What force does a rocket have when it launches？

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what is gravity

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Marco—-Newton's First Law of Motion

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Work=()x()

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Ryan- how does the energy transferred for launching a rocket?

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Ryan- how does the energy transferred for launching a rocket?

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What is Newton's third law

jody ：action force =reaction force

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What is Newton's first law

Nicole-unless acted on by an unnalanced force.

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Which law explains why when you bump into something you fall backwards?

Marco—-Newton's Third Law of Motion explains this phenomenon.

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A car use 5km/min and has 8000N，friction is half the mass how many force did this car need for an hour？

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All forces result because of __________________ between objects

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What is the law of conservation of energy?

Jeffrey：energy cant be destroy or create but merely change froms

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Force is measured in Newtons. A Newton is based on the basic unit of the metric system.

Expressed in units of mass and acceleration, what is a N?