Science Chapter 4 Pg.37

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Which of the following is a correct example of heat being produced due to the conversion of mechanical energy?

Nail hammered into a log of wood

What is the primary cause of heat production when water is stirred vigorously in a mixer?

Conversion of mechanical energy

How is the sensation of hotness and coldness related to heat?

Heat is a form of energy which causes the sensation of hotness and coldness.

What happens to the heat produced by burning petrol/diesel in engines?

It gets converted into mechanical energy by the engine.

This quiz explores the generation of heat through various processes such as friction, mechanical work, and combustion. It covers the conversion of kinetic energy, mechanical energy, and other forms of energy into heat.

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