|The grinding effect
on the surface of material that is caused by friction with another
|The rate of change
of speed calculated by differentiating speed by time. Also, acceleration
is proporional to force.
|On earth, motionless
objects dropped from the same point will accelerate downward
at the same speed. This is because the earth's gravity is pulling
the object downward. Accleration g of a falling object will vary
according to the point of origin; however, the approximate rate
|Angle of Misalignment
|The angle of error
formed by the centers of two shafts coupled to each other but
not on the same line.
member, such as an arm or lever, that supports an object.