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Byju's Answer
Standard VIII
Physics
Advantages and Disadvantages of Friction
In which of t...
Question

In which of the following situation friction is necessary?


A

Heating of a working mixer

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B

Running of a water motor

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C

Striking a matchstick

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D

None of these

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Solution

The correct option is C

Striking a matchstick


Striking a matchstick produces heat which makes it burn in flames. In the other options, friction gives rise to heat energy and causes wear and tear of machines.


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