Friction is not useful in Machinery sometimes, Since it leads to the wear and tear of machine parts.
Answer:
Some of the most important American inventions during the Industrial Revolution included the telegraph, the sewing machine, telephone, cotton gin, the practical light bulb, and vulcanized rubber. Manchester, England was the center of the textile industry during the Industrial Revolution.
Explanation:
Answer:
Explanation:
It is to keep the mixture homogeneous
Answer:
a)22.2°C after adding magnesium
b)17.3°C before adding magnesium
c) 4.9 is change
Energy is the main cause of global conversation currents