Flashcard: Fundamentals of Physics Measurement — 10 carte

SI units — base quantities?

Meter, kilogram, second, kelvin, ampere, candela, mole

SI units — definition?

Standard system for physical quantities.

Modeling types — examples?

Geometric, particle, analysis, structural

Meter — based on?

Distance light travels in vacuum in 1/299,792,458 s.

Dimensional analysis — purpose?

Ensures equations are physically consistent

Second — based on?

Cesium-133 atomic radiation cycles.

Dimensional analysis — purpose?

Verify equation consistency using [L], [M], [T].

Conversion factors — use?

Switch between measurement units.

Order-of-magnitude estimates — purpose?

Provide approximate results within factor of 10.

Significant figures — role?

Express measurement precision; govern calculation accuracy.