Question

Define dimensionless and
and isodimensional quantities
with examples​

Answer 1

Answer:

Dimensionless :

A number representing a property of a physical system, but not measured on a scale of physical units (as of time, mass, or distance). Drag coefficients and stress, for example, are measured as dimensionless..

Example of dimensionless : 1, i, π, e, and φ. Units of number such as the dozen, gross, googol, and Avogadro's number may also be considered dimensionless.

All pure numbers are dimensionless quantities, for example.

Isodimensional :

Some basic, visual differences between the two standards in terms of drafting: ANSI dimensions are read horizontally. ISO dimensions are parallel to the dimension line. ANSI dimensions are centered on the dimension line. ISO dimension are placed above the dimension line.

Example of Isodimensional : RAD, DIAM, 3 PLACES versus R, Ø, 3X)

Explanation:

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