Newton's 2nd Law

A change in motion is called

• speed

• momentum

• acceleration

• force

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NGSS.MS-PS2-2

The unit for mass is:

• lbs

• cm

• N

• kg

what happens to the acceleration of an object when the mass is halved? (force remains the same)

• acceleration will be halved

• acceleration will be doubled

• acceleration will stay the same?

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NGSS.MS-PS2-2

What is the unit for acceleration?

• m/s²

• mph

• m/s

• cm

What unit do we measure force in?

• Kilometer/hr

• Joules

• Seconds

• Newtons

Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?

• 20 m/s²

• 0.5 m/s²

• 2 m/s²

• 120 N

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NGSS.MS-PS2-2

As force applied to a textbook increases, what happens to its acceleration?

• Stays the same
• Increases
• Decreases
• Opens

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If the man pushes with an equal amount of force, which object will accelerate more?

• Car because it has more mass

• Lawnmower because it has less mass

• Car because it has less mass

• Lawnmower because it has more mass

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NGSS.MS-PS2-2

An object of mass 30 kg experiences a force of 60 newtons. Calculate the acceleration.

• 180 m/s²

• 90 m/s²

• 20 m/s²

• 2 m/s²

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NGSS.MS-PS2-2

If the object accelerates at a rate of 2 m/s², what is the mass of the object?

• 2 kg

• 4 kg

• 6 kg

• 8 kg

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