Kinetic And Potential Energy Practice Problems

Kinetic and potential energy practice problems Video

Kinetic Energy and Potential Energy kinetic and potential energy practice problems

All efforts have been made to make the chapter fully accessible by providing headings, describing figures and tables. The Chapter has been so designed that the students should enjoy studying this chapter and should move forward without any hurdles.

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Your efforts will be highly appreciated. A farmer ploughing a prctice, a construction worker carrying bricks, a student studying for a competitive examination, an artist painting a beautiful landscape, are all said to be working. Somebody who has the capacity to work for 14 - 16 hours a day is said to have a large stamina or energy. We admire a long distance runner for her stamina or energy.

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Energy is thus our capacity to do work. These are delivered at a potemtial speed. We shall find that there is at best a loose correlation between the physical definitions and the physiological pictures these terms generate in our minds. The aim of this chapter is to develop an understanding of these three physical quantities.

Before we proceed to this task, we need to develop a mathematical prerequisite, namely the scalar product of two vectors. We have learnt about vectors and their uses in Chapter 4.

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Physical quantities like displacement, velocity, acceleration, force etc. We have also learnt how vectors are added or subtracted. We now need to know how vectors are multiplied. There are two ways problwms multiplying vectors which we shall come across: one way known as the scalar product or dot product gives a scalar from two vectors and the other known as the vector product or the cross product produces a new vector from two vectors.

We shall look at the vector product in Chapter 7.]