Physical Quantities
Carey Laiにより
1. Length
1.1. SI Unit: Metre(m)
1.1.1. Why?
1.2. Vernier Caliper
1.2.1. Accuracy: 0.01cm
1.3. Micrometer Gauge Screw
1.3.1. 0.001cm
1.4. Metre rule
1.4.1. 0.1cm
1.5. Parallax Error
2. Mass
2.1. SI Unit: kilogram(kg)
2.1.1. Why?
2.2. Electronic Balance
2.3. NOTE: Mass not equals weight!
2.3.1. Weight: Amt of GFF on an object
2.3.2. Mass: Amt of matter in an object
2.4. Triple Beam Balance
3. Time
3.1. SI Unit: Second(s)
3.1.1. Why?