create a project report 300-350 on the topic "friction is more desirable than undesirable." also explain different types of friction and methods to increase and decrease the friction.
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Friction is always parallel to the surface in contact. In some cases, friction is desirable while in other cases, friction reduces the effectiveness of machines. ... On the other hand, friction is undesirable in most of the cases. Friction causes mechanical parts to seize and wear out...
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