Mechanical Systems - Gears 0.0 / 5 ? Design & Technology: Resistant MaterialsAll LevelsAll boards Created by: Sophie :)Created on: 01-06-13 09:18 What motion goes in one direction in a straight line? Linear 1 of 12 What motion moves in a circle? Rotary 2 of 12 What motion moves backwards and forwards in an arc? Oscillating 3 of 12 What motion moves backwards and forwards in a straight line? Reciprocating 4 of 12 What is a gear? A toothed wheel that can interlock with other gears 5 of 12 What is a gear train? Two or more gears linked together 6 of 12 If the gear that is turned by hand or by a motor is called the driver gear, what is the gear that it turns called? Driven gear 7 of 12 What does an idler do? Allow the driver and driven gear to turn in the same direction 8 of 12 If the driven gear has half as many teeth as the driver gear it will... ...turn twice as fast as the driver gear 9 of 12 When more than one gear is on the same shaft the mechanism is called a what? Compound gear train 10 of 12 What does a rack and pinion gear do? Turn rotary motion into linear motion 11 of 12 Name two gear mechanisms that change the direction of rotation by 90 degrees? 1) Worm drive and worm wheel. 2) Bevel gears 12 of 12
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