Unit 4 quiz

x + 2 = 2

• 0
• -2
• -1
• 1
• 2

2x + 2 = 12

• 5
• 4
• 3
• 2
• 1

x = 2²

• 2
• 4
• 0
• 8
• 10

Do astronauts need gravity on long space journeys?

• Yes
• No

How could a space station be designed to have artificial gravity according to the video we watched?

• With a particle emitter.
• A particle accelerator
• a rotating room
• by going really fast

The Frame of reference, or _________, is how you view the problem.

• gravity
• point of view
• digestive frame
• a frame of gravity

Which of the following follows the law of inertia

• Your backpack slides to the back of the bus with no net forces acting on it.
• You use a lot of force to push a box across the floor.

Is weight the same thing as mass?

• Yes
• No

which of the following are not ways to accelerate?

• Slowing Down
• speeding up
• turning
• traveling in a circle
• going fast in a space ship

If you are sitting on a horse going 2 m/s at 2 meters from the radius, what is your centripetal acceleration?

• 2
• 0
• 1
• 3
• 4