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Friction Types Quiz

6 Questions

1 Views

Friction Types Quiz

Created by

@EntrancedConstructivism

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Questions and Answers

What is the purpose of treaded soles on shoes and tires?

To increase friction (correct)

To improve aerodynamics

To reduce friction

To eliminate friction

Why do kabaddi players rub their hands with soil?

To increase the smoothness of the skin

To improve grip by increasing friction (correct)

To reduce friction with opponents

To eliminate friction completely

What effect does adding powder to a carrom board have on friction?

Increases friction

Decreases friction (correct)

Causes no change in friction

Eliminates friction

Why is it not advisable to use oil as a lubricant in some machines?

<p>Oil may not be compatible with certain materials</p> Signup and view all the answers

How does the application of oil, grease, or graphite between moving machine parts reduce friction?

<p>By forming a thin layer that prevents direct rubbing of surfaces</p> Signup and view all the answers

Can friction be entirely eliminated by polishing surfaces?

<p>No, some irregularities will always exist preventing complete elimination of friction</p> Signup and view all the answers

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