Concept Map of Velocity

Concept Map of Acceleration

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Rolling Motion made Easy

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Circuit Diagrams and Ohm's law

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Directions of Vector

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While we Study vector we have certain privileges (Humara Haq) We call it " Aazadi Ka Neeyam " We can never change the direction unless we are told in the question to do so. We can displace the vector in any direction keeping its angle fixed (i.e again direction) Above two will be more clear with some illustrations. Vectors can be directed due East, due West, due South, and due North. But some vectors are directed northeast (at a 45 degree angle); and some vectors are even directed northeast, yet more north than east. Thus, there is a clear need for some form of a convention for identifying the direction of a vector that is not due East, due West, due South, or due North. There are a variety of conventions for describing the direction of any vector. The two conventions that will be discussed and used in this unit are described below: The direction of a vector is often expressed as an angle of rotation of the vector about its "tail" from east, west...
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