NGSS.MS-PS2-2

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

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NGSS.MS-PS2-2

A greater applied force is required to move an object with a greater mass than one with a smaller mass.

• True
• False

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NGSS.MS-PS2-2

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)

• The one with a mass of .78 kg will have the greatest acceleration.
• The one with a mass of .52 kg will have the greatest acceleration.
• They will both accelerate at the same rate.

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NGSS.MS-PS2-2

Are the forces acting on the rope balanced or unbalanced?

• Balanced
• Unbalanced

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NGSS.MS-PS2-2

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

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NGSS.MS-PS2-2

Does not cause a change in motion

• Balanced
• Unbalanced

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NGSS.MS-PS2-2

An object may move when a _______ is applied to it. 

• force
• gravity
• friction

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NGSS.MS-PS2-2

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

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NGSS.MS-PS2-2

As the child moves down the slide, they mostly experience the effect of ___________.

• Rolling Friction
• Sliding Friction
• Fluid Friction
• Static Friction

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NGSS.MS-PS2-2

Is this a balanced or unbalanced force?

• Balanced
• Unbalanced
• Neither
• Both

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NGSS.MS-PS2-2