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0:00 Liquids and Hydraulics
3:38 Gears and Mechanical Advantage
6:44 Horsepower and Mechanical Advantage
9:46 Friction and Efficiency
12:18 Pulleys and Mechanical Advantage
15:30 Levers and Mechanical Advantage
18:20 Wedges and Mechanical Advantage

For your convenience, we have compiled several Mechanical Aptitude test review videos into a Mechanical Comprehension Study Guide for you to study all at once. Best of luck on your test!

NOTE: There is an error in the 2nd class lever graphics. They should include the entire distance from force exerted to the fulcrum as part of the effort distance. Sorry.
NOTE: At 7:29 we state that one mechanical horsepower can do 500 ftlbs/sec of work, but it's actually 550 ftlbs/sec. Sorry.

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