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Increase.
Entropy always increases.It is sometimes stated that an increase in entropy means an increase in disorder - though that is not a very accurate description.
Entropy is a measure of disorder. Heat is a very low order form of energy. Friction produces heat energy and hence entropy tends to increase due to friction.
You cannot reduce entropy because entropy increases (Second Law of Thermodynamics), if you could, we could have perpetual motion. When work is achieved energy is lost to heat. The only way to decrease the entropy of a system is to increase the entropy of another system.
Entropy means disorderness in interatomic state. When heat is given, temp. rises and entropy increase as mobility in inner part increase. But when we cool down substance, entropy decrease as mobility slow down.
Increase.
Entropy always increases.It is sometimes stated that an increase in entropy means an increase in disorder - though that is not a very accurate description.
Entropy is a measure of disorder. Heat is a very low order form of energy. Friction produces heat energy and hence entropy tends to increase due to friction.
You cannot reduce entropy because entropy increases (Second Law of Thermodynamics), if you could, we could have perpetual motion. When work is achieved energy is lost to heat. The only way to decrease the entropy of a system is to increase the entropy of another system.
Entropy increases. In a reaction comprised of sub-reactions, some sub-reactions may show a decrease in entropy but the entire reaction will show an increase of entropy. As an example, the formation of sugar molecules by living organisms is a process that shows decrease in entropy at the expense of the loss of entropy by the sun.
The entropy increases.