1. What is centripetal force do?

    a. hold you in your seat

    b. stop a roller coaster

    c. none of the above

2. How does inertia affect a roller coaster?

    a. makes the coaster curve

    b. keeps a coaster going in a straight line unless another force stops it

    c. none of the above

3. What three "brakes" may help a coaster stop?

    a. break run, skid, or the squeeze brake

    b. G force, gravity , or momentum

    c. none of the above

4. What is G force?

    a. The pulling of objects toward the earth

    b. The pushing of objects away from the earth

    c. none of the above

5. When does a coaster gain potential energy?

    a. while going down a hill

    b. while going up a hill

    c. while going around a loop

6. What is drag?

    a. it is a special kind of friction

    b. it is a special kind of gas

    c. none of the above

7. What would a coaster do automatically if there was to be a power outage?

    a. fly off track

    b. stop

    c. none of the above

8. When does friction occur?

    a. when two things slide over one another

    b. when something doesn’t happen right