(See related pages)
After completing this chapter, you should be able to
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| 1. Describe a simple machine and its operation in general terms to the extent that efficiency and conservation of energy are explained. |
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| 2. Write and apply formulas for computing the efficiency of a simple machine in terms of work or power. |
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| 3. Distinguish by definition and example between ideal mechanical advantage and actual mechanical advantage. |
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| 4. Draw a diagram of each of the following simple machines and beside each diagram, write a formula for computing the ideal mechanical advantage: (a) lever, (b) inclined plane, (c) wedge, (d) gears, (e) pulley systems, (f) wheel and axle, (g) screw jack, (h) belt drive. |
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| 5. Compute the mechanical advantage and the efficiency of each of the simple machines listed in the previous objective. |