Physics

According to Newton’s 1st law of motion, a moving object that is not acted on by an unbalanced force will _____________.

• remain in motion.

• eventually come to a stop.

• change its momentum.

• accelerate.

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Which graph shows the object standing still?

Read the Y-AXIS!

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

At which point in time, does this person turn around?

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Read the Y-AXIS!

• 3 seconds

• 5 seconds

• 10 seconds

• 25 seconds

Tags

NGSS.MS-PS3-1

During which interval is the object slowing down?

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Read the Y-AXIS!

• A to B

• D to E

• E to F

• G to H

Tags

NGSS.MS-PS3-1

Force = mass * acceleration

A 20 kg bike accelerates at 9 m/s². what is the force acting upon it?

• 25 Newtons

• 80 Newtons

• 180 Newtons

• 200 Newtons

Tags

NGSS.MS-PS2-2

How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s²?

• 36 N

• 12 N

• 3 N

• 0.33 N

Tags

NGSS.MS-PS2-2

If 2 N of force accelerates a toy car 0.5 m/s², what is the mass of the car?

• 4.8 kg

• 0.8 kg

• 4 kg

• 5.2 kg

Tags

NGSS.MS-PS2-2

At which point is potential energy greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

What energy does a rock at the edge of a cliff have?

• Potential

• Kinetic

Tags

NGSS.MS-PS2-4

What position has the least amount of potential energy?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2