1. The conversion of ________ to kinetic energy is what drives the roller coaster.

potential

All of the _______ energy you need for the ride is present once the coaster _______ the first hill.

*
1 point
length, mass
potential, descends
mass, distance
kinetic, descends

potential, descends

3. What do friction wheels control?

*
1 point
lateral motion
energy dissipation
gravity
traction on the hill

lateral motion

4. Which type of roller coaster could achieve the higher speeds?

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1 point
wooden
steel
both can achieve the same results
aluminum

steel