Study
PHY-101 route
Unit 1 · Lesson 2 of 3 14 min

Dimensions and Dimensional Analysis

Strip away the units and every quantity is just mass, length and time in disguise.

What this unit covers

Unit 1: Physical Quantities, Units and Dimensions

  1. 1 Physical Quantities and SI UnitsA number on its own is gossip. A number with a unit is physics. · 10 min
  2. 2 Dimensions and Dimensional AnalysisStrip away the units and every quantity is just mass, length and time in disguise. · 14 min
  3. 3 Significant Figures and Errors in MeasurementEvery measurement carries a small doubt. Good physics writes the doubt down. · 13 min