Week 10 Practice: Newton's Laws and Formulas (A)

Look at the diagram. What would be the direction of the motion ?

• movement to the left
• movement to the right
• no movement

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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

• Divide

• Multiply

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NGSS.MS-PS2-2

If there are two forces going in the same direction how would you find the net force?

• Subtract
• Add
• Divide

• Multiply

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NGSS.MS-PS2-2

Mrs. King and Mr. King decided to move a dresser across the room. They both stood on the same side and pushed left with a total of 30N of force, although there was 10N of friction. What is the net force and direction?

• 40N Left

• 30N Left

• 20N Left

• 10N Left

Tags

NGSS.MS-PS2-2

A bug crawls from one bush to another bush. The bushes are 3 ft apart. The bug then crawls to the tree which is 12ft away. The trip takes the bug 30 minutes. What is his average speed?

• 1 ft per minute

• 2 ft per minute

• 1/2 ft per minute

• 3/4 ft per minute

You travel 2 hours if your average speed was 45mph how far did you travel?

• 45 miles

• 60 miles

• 120 miles

• 90 miles

A runner races in the 100 meter dash. If her average speed is 10 m/s, what will her time be at the end of the race?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

The speed boats speed increased from 0m/s to 24m/s in a time span of 12 seconds.

• 4 m/s²
• 2 m/s²
• 8 m/s²
• 6 m/s²

Tags

NGSS.MS-PS2-2

If someone runs a mile at 5 m/s the whole time, what is his acceleration?

• 0 m/s²

• 5 m/s²

• 2.5 m/s²

• 1 m/s²

Acceleration of an object depends on what two things?

• force

• velocity

• acceleration

• mass

• speed

Tags

NGSS.MS-PS2-2