Do you agree with the statement, "friction is both good and an evil"? Explain with examples.
SCERT Class 8 Telangana, Physical Science Chapter 2 Friction
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advantages
* it is used to walk on the surface
* it is used in writing on the board or paper
*it is used in tie the node
it is used by vehicles to meve on road
disadvantages
* there will be wear and tears in machine
* the large amount of energy is waste in overcoming the friction also the fuel waste
* the life of machines will reduced
* it is used to walk on the surface
* it is used in writing on the board or paper
*it is used in tie the node
it is used by vehicles to meve on road
disadvantages
* there will be wear and tears in machine
* the large amount of energy is waste in overcoming the friction also the fuel waste
* the life of machines will reduced
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