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WHEELS, PULLEYS AND GEARS
UNIT 1.3
What is an axle?
What is a wheel?
What is a rim?
What is a pulley?
What is a pulley used for?
How can the force applied be increase?
How can a greater mechanical advantage be produced?
What is block and tackle?
In older-style machines, what was one wheel connected to another by?
What did the belt do?
What is one disadvantage with such a system?
How is this problem avoided?
What are gears?
What is the most common type of gears?
What is a gear train?
What is the driving gear?
What is the driven gear?
How can a gear be a force multiplier?
How can a gear be a speed multiplier?
What are some different types of gears?
What is a sprocket?
