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- 1. Multiple Choice
Friction _____________ motion
Works in the same direction as
Opposes
Has not effect on
Pulls against
- 2. Multiple Choice
True or False: objects that are smooth have LESS friction than objects that are rough
TRUE
FALSE
- 3. Multiple Choice
Which type of friction keeps objects from sliding around all over the place
Static Friction
Rolling Friction
Fluid Friction
Sliding Friction
- 4. Multiple Choice
Imagine you decide to jump out of an airplane 🛩
Which force is going to pull you down towards earth
Fluid Friction
Static Friction
Gravity
The wind from the airplane
- 5. Multiple Choice
When you jump out of a plane to go skydiving 🪂 you thankfully have a parachute so you can safely land 🛫. Which answer choice explains why the parachute helps you land safely
While gravity pulls you down very quickly, Air Resistance (fluid friction) pushes back against gravity and your parachute, slowing you down
While gravity pushes you down very slowly, Air Resistance (fluid friction) pulls back against gravity and your parachute, which means you can land safely
When you have a parachute gravity is not able to pull you down as fast as it normally can
The parachute will get caught on something on your way down which will save your life
- 6. Multiple Choice
When you go down a slide which two forces are competing in a tug of war?
Gravity and Sliding Friction
Gravity and Rolling Friction
Gravity and Your Friend Pushing You
Gravity and Pushing Friction
- 7. Multiple Choice
If you are unable to make it to the bottom of the slide, who won the tug of war between sliding friction and gravity?
There is no winner, and your sad because you're stuck on a slide
Gravity won
Neither, its a tie
Sliding friction won
- 8. Multiple Choice
Which of these materials do you predict would have the MOST amount of friction
Metal
Tile
Sand Paper
Denim
- 9. Multiple Choice
TRUE or FALSE if you push a box across a surface like Ice with no friction, it will NEVER stop
TRUE, as long as it doesn't run into something it will keep going and going and going
FALSE, it will stop very quickly
- 10. Multiple Choice
TRUE or FALSE if you push a box across a surface like rough wood with a lot friction, it will NEVER stop
TRUE, as long as it doesn't run into something it will keep going and going and going
FALSE, it will stop very quickly
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