Physical Quantities

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Physical Quantities by Mind Map: Physical Quantities

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?

3.2. Stopwatch

3.3. History

4. Units

4.1. Prefixes

4.2. Overview