How and why friction is cut down in a hovercraft,on a dance floor and in a car engine?

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AIR keeps the hovercraft off the ground.

TALCUM powder on the floor lets you glide/slide.

OIL reduces friction between moving parts.

2007-02-21 05:33:03 · answer #1 · answered by Froggy 7 · 0⤊ 1⤋

Why
Friction causes heat and damage

2007-02-25 12:49:07 · answer #2 · answered by Anonymous · 0⤊ 0⤋