Exercise 1.4: Inflating a Tire

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Exercise 1.4B 
Analyze and Conclude

4. Describe the shape and other features of the object after it is inflated. Record your observation in your notebook.
5. Describe the temperature of the air pump after inflating the object. Does the pump feel warmer or colder now? Record your observations?

Check Your Understanding

1. Explain why the temperature of an air pump increases when you are inflating a tire.
2. Describe why air is used to inflate most car and truck tires.
3. Create a diagram to explain how a simple hydraulic system works. Do not paste it but attach it here!
4. List the three primary functions of a lubricant.
5. Why do you think water would not make a good lubricant in a car's engine?