Physics Chapter 1 (Measurement Of Physical Quantities)
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Last updated 6:15 AM on 8/18/26
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7 Terms
1
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Define the term “Physical Quantity”.
A quantity that can be measured, consists of a numerical magnitude and a unit.
2
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Define the term “Scalar Quantity”.
A quantity that consists of numerical magnitude and no direction.
3
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Define the term “Vector Quantity”.
A quantity that consists of both numerical magnitude and direction.
4
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Types of “Scalar Quantities”.
Mass, Length, Distance.
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Types of “Vector Quantities”.
Weight, Force, Displacement.
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What is a “Parallax Error”.
When a measurement is read at a wrong angle of sight.
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How do you avoid “Parallax Error?”
Make sure that your line of sight is perpendicular to the metre rule.