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Friction produces heat which may damage machines

Disadvantages of friction

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 3 Comments

Question 1 What makes the steps of foot over bridges at railway station to wear out slowly? Question 2 Which part wear away first in shoe?Give a reason for your answer? Question 3 Why do brake pads of bicycles have to be replaced quite often? Question 4 A pencil eraser loses tiny pieces of rubber each time you use it.Why does this happen? Question 5 What happen when … [Read more...] about Disadvantages of friction

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