Question

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6) What is the definition of a simple machine? What are the two most basic ones?

7) Is it possible to get more work out of a machine than you put in? Why?

8) What is the official definition of heat energy? What is the source of that energy?

9) Compare and contrast heat with temperature. Explain using a bathtub of warm bath water and a tea-cup of boiling water.

10) Explain what specific heat is. How does it differ from both heat and temperature?

11) What is Latent heat? List all 3 physical constants of water.

Answer 1

8) Heat energy is the form energy that is transferred from one object to another with different temperatures. Sun is the source of heat energy.