Monday, February 28, 2011

60-Second Good-To-Knows 2-28-11

This week’s topic: Physics
Frictional force: The force between two bodies in direct contract; parallel to the plane of contact and in the opposite direction of the motion of one object relative to the other.

Kinetic friction: The force of friction resisting the relative motion of two objects in motion with respect to each other.

Static friction: The force of friction resisting the relative motion of two bodies at rest with respect to each other.

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