# physics - vectors

Jun 17th, 2015
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Physics- the science that deals with fundamental principles that govern the behavior of the physical universe. It involves the study of matter and energy.Branches of Physics 1. Mechanics a. Kinematics (ideas to describe motion) b. Dynamics (ways in which forces cause motion to change) 2. Heat 3. Waves and Sound 4. Electricity and Magnetism

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ENGINEERING REVIEW PROGRAM (ECE, EE, ME)1PhysicsNAME ________________________________________ COURSE _____ SECTION _____ID NO ___________ CLASS SCHEDULE ______________ REVIEWER _______________VECTORSPhysics- the science that deals with fundamental principles that govern the behavior of the physicaluniverse. It involves the study of matter and energy.Branches of Physics1. Mechanicsa. Kinematics (ideas to describe motion)b. Dynamics (ways in which forces cause motion to change)2. Heat3. Waves and Sound4. Electricity and Magnetism5. Light and Optics6. Modern PhysicsPhysical QuantitiesThese are quantities used to describe physical phenomena quantitatively.Two types:1. Scalar Quantities those that can be described by magnitude only.example: time, mass, length/distance, speed, energy.2. Vector Quantities those that can be described by both magnitude and direction. represented by arrows. (line segment represents the magnitude and arrowheadrepresents its direction)example: displacement, velocity, acceleration, force.Ways of Describing VectorsThere are several ways of describing a vector. Consider:NA = 5.0 m550WSEqual Vectors350EHere are the different ways to describe the vectorshown in the left:A = 5.0 m, 350 N of EA = 5.0 m, 550 E of NA = 5.0 m, 350 above +x-axisA = 5.0 m, 550 below +y-axisA = 5.0 m, E 350 NA = 5.0 m, N 550 EENGINEERING REVIEW PROGRAM (ECE, EE, ME)2Physics are vectors having the same magnitude an

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