NGSS.MS-PS2-2

What is the net force?

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

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NGSS.MS-PS2-2

What is the net force in this picture?

• 50 Newtons to the right
• 950 Newtons to the right
• 950 Newtons to the left
• 50 Newtons to the left

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NGSS.MS-PS2-2

Are forces balanced or unbalanced when a marble rolls down a ramp?

• Balanced
• Unbalanced

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NGSS.MS-PS2-2

The forces acting on a bridge that are not part of the bridge.  These could be things like wind, rain and vehicles.

• live loads
• dead loads
• piers
• members

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NGSS.MS-PS2-2

Objects with more mass (or heavier) have more inertia; thus,  EASIER to move or stop.

• True
• False

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NGSS.MS-PS2-2

8 N to the left , and 4 N to the right. Find the net force. Is this balanced 

• 12 N Right  No
• 4 N Left  No
• 12 N Right  Yes
• 4 N Left  Yes

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NGSS.MS-PS2-2

What is the net force for this picture?

• 0 N

• 5 N

• 485 N

• 240 N

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NGSS.MS-PS2-2

How can simple machines make work easier?

• by decreasing the force needed to complete the task

• by increasing the friction between the machine and the object

• by adding more work on the object than originally applied

• by removing the force of gravity on the object

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NGSS.MS-PS2-2

How can simple machines make work easier?

• by decreasing the force needed to complete the task

• by increasing the friction between the machine and the object

• by adding more work on the object than originally applied

• by removing the force of gravity on the object

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NGSS.MS-PS2-2

You push a box 35 N to the right. Your friend pushes the box 25 N in the same direction. What is the net force?

• 60 N balanced to the right

• 60 N unbalanced to the right

• 10 N balanced to the right

• 10 N unbalanced to the right

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NGSS.MS-PS2-2