Unit 2 Forces, Momentum and Acceleration

If there are two forces going in the SAME direction, you would ...?

• (-) Subtract the forces
• (+) Add the forces
• Neither
• (x) Multiply

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NGSS.MS-PS2-2

If there are two forces going in opposite directions how would you find the net force?

• Subtract

• Add

• Neither

• Multiply

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NGSS.MS-PS2-2

What is the net force?

• 5.5 N left
• 5.5 N right
• 2.5 N left
• 2.5 N right

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NGSS.MS-PS2-2

What is the net force?

• 65 N left
• 65 N right
• 35 N left
• 35 N right

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NGSS.MS-PS2-2

Billy runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Billy's distance?

• 0 meters

• 400 meters

• 800 meters

• 1600 meters

Billy runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Billy's displacement?

• 0 meters

• 400 meters

• 800 meters

• 1600 meters

On a track, you have constant velocity because of everything except:

• You change directions.

• You encounter air resistance.

• The track gives off heat.

• You stay at a constant speed.

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

Tags

NGSS.MS-PS2-2

If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

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NGSS.MS-PS2-2

If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?

• 10 m/s^2
• .1 m/s^2
• 100 m/s^2
• 1 m/s^2

Tags

NGSS.MS-PS2-2