Two Masses, M_A and M_B, with M_B = 2M_A, Are

question 56

Multiple Choice

Two masses, M_A and M_B, with M_B = 2M_A, are released at the same time and allowed to fall straight down. Neglect air resistance. When we compare their kinetic energies after they have fallen equal distances, we find that

• A) K_B = K_A.
• B) K_B = 2K_A.
• C) K_B = 4K_A.
• D) K_A = 2K_B.
• E) K_A = 4K_B.

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Definitions:

Size Tolerance

The allowable deviations in dimensions defining the limits within which a part must be manufactured to ensure fit and function.

Positional Tolerancing

Positional tolerancing is a geometric dimensioning method expressing the allowable variation in the position of a feature within a part, relative to its reference features.

ASME

American Society of Mechanical Engineers, an organization that develops engineering standards and codes.

Coordinate Tolerancing

A system of defining dimensions and tolerances using a Cartesian coordinate system to control individual features.