Vectors

# Vectors - P hysics Physics science that deals with the...

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Physics Physics - science that deals with the study of matter and energy - science that deals with measurements Measurement - Scientific method of comparing unknown quantity, capacity or dimension and a unit of measurement or standard. Systems of measurement 1. Metric system a. MKS (meter, kilogram, second) b. CGS (cm, gram, second) 2. English system a. FPS (foot, pound, second) Quantity - anything that can be measured Classification of quantity 1. According to unit a. Fundamental quantity i. Length (m) ii. Mass (kg) iii. Time (s) iv. Temperature ( o C) v. Electric charge (coul) b. Derived quantity - a quantity obtained by combining two or more fundamental quantity ex. N (kg.m/s 2 ) 2. According to physical characteristics a. Vector quantity – quantity which has magnitude and direction and a unit of measurement. Ex. Velocity, acceleration, displacement, force b. Scalar quantity – quantity which has only magnitude and a unit of measurement. Ex. Speed, distance, mass

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Some conversion factors 1 in = 2.54 cm 1 cm = 10 mm 100 cm = 1m 1000 = 1 km 3.28 ft = 1m 1000 liters = 1 m
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Vectors - P hysics Physics science that deals with the...

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