You might have seen some of the viral videos of this giant steel slide at Belle Isle Park in Michigan, which temporarily closed this summer because riders were sliding so fast they were losing contact ...

Multiple forces act on an object at the same time. The size and direction of these forces determines the movement of the object. Show the forces acting on an object in a free body diagram. The arrows ...

I can't help myself. I have to say something about this awesome water slide as seen on io9. You really should check out the io9 article - an interesting read. But for me, let me see if I can estimate ...