Day and night
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E-content-friction
Introduction Force is an inevitable part of our physical world. Mainly there are two kinds of forces.Contact forces and non contact forces.Friction comes under the category of contact forces.Friction force comes into play when two surfaces are in contact and they tend to rub against each other.Streamlining is a major application of friction and is done in vehicles to reduce friction.Friction has many advantages as well as disadvantages Objectives 1.to describe the concept of friction 2.to formulate a defenition for friction 3.to list out advantages and disadvantages of friction 4.to distinguish between rolling and sliding friction Subject mapping https://youtu.be/UjhtItlWexY Assignment https://docs.google.com/forms/d/e/1FAIpQLSdV8QeD2wFa8cb_2Q5bLJxZs5ytk_46c_AVkmXLu4foo8g-Zw/viewform?usp=sf_link Reference 1. https://en.m.wikipedia.org/wiki/Friction 2. https://youtu.be/eNRqHWPn1iQ 3. https://www.vedantu.com/revision-notes/cbse-class-8-science-notes-chapter-12 Downloads 1. https://sama
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