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Question
Select the correct alternative.
Friction is increased if
Options
an oil is sprayed
the surfaces are made wet
the surfaces are made dry
the surfaces are polished
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Solution
the surfaces are made dry
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Solve the crossword puzzle.
Across
1. Type of force which depends upon the roughness of a surface
2. An effect of friction
3. The force of friction caused due to fluids
4. Type of friction acting between two bodies at rest
5. Type of friction which occurs when applied force overcomes static friction
6. A special body design to enable minimum drage Down
