What causes friction? In which direction does it acts?

1.	What causes friction? In which direction does it acts?
Answer» $\huge{\boxed{\boxed{\red{\sf{Answer}}}}}$ Friction is a force which resist the motion. It is caused by the roughness of surface areas. Friction acts in the opposite direction of a moving objects. ________________________________________ $\large{\boxed{types}}$ *Friction are of three types :* Static friction Rolling friction Sliding friction ________________________________________ *Effects of friction* It HELPS us in walking It helps us in writing It causes were and tere It produces heat _________________________________________ *Ways to reduce friction* *Friction can be reduced by the following ways* By MAKING the surface AREA smooth. By spreading oil. By greasing. By using ball bearings. _______________________________________ Ways to increase friction *Friction can be INCREASED by the following ways* By making the surface area ROUGH. By removing the lubricant between the objects. By increasing the fluid viscosity.

Answer»

$\huge{\boxed{\boxed{\red{\sf{Answer}}}}}$

Friction is a force which resist the motion. It is caused by the roughness of surface areas.

Friction acts in the opposite direction of a moving objects.

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$\large{\boxed{types}}$

Friction are of three types :

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Friction can be reduced by the following ways

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Friction can be INCREASED by the following ways

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