Rectilinear motion (Motion in a Straight Line) is the motion of an object along a straight line, in which the object changes its position with time only in one direction, and the motion may be uniform or non-uniform depending on whether the object covers equal or unequal distances in equal intervals of time. Rest and …

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Units and Measurement forms the foundation of Physics. This chapter covers fundamental concepts about physical quantities, their measurement, units, dimensions, and error analysis. Understanding these concepts is essential as they apply throughout your Physics syllabus. Physical Quantities Physical quantities are quantities that can be measured and expressed in numerical values with appropriate units. They are …

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