An aeroplane maintains straight and level flight at a speed of 1.5 vs

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1.What are gears and what are they used for?

-Are mechanical elemnts designed to transmit turning movements

2.What does it mean when two gears "engage"?

-It means these teeth fit in those of another similar wheel.

3.What are the two main characteristics of the gears? How are they Represented?

-The number of teeths (Z) and the rotational speed (N)

4.What happens if two gears have a different number of teeth? And if they Have the same number?

-The small gear rotate faster than the big gear; They rotate at the same speed.

5.In a couple of gears, what mission does the motor gear have? And the Output gear?

-The motor gear pushes; The output gear recives the movement

6.Depending on their shape, what types of gears, are there?

-Cylindrical and conical gears

7.What is the difference between a gear with straight teeth and one with Helical teeth?

-The straight teeth follow straight lines the helical teeth have curved teeths.

8.What does it mean when two gears reverse the rotational direction?

-Motor gear rotate clockwise; Driven gear rotate counter clockwise

9.What is an idler gear? And a gear train? What are they good for?

-The idler gear aims to reverse the turning rotation; Are mechanims formed by more than 2 gears; They are good if you want to have the same rotational direction

10.What is a reducing gear mechanism of two gears?

-The motor gear is smaller then the output gear, the output gear turn motor slowly, it will be able to carry out more force.

11.What characteristics does a two gear speed multiplier mechanism have?

-The motor gear is bigger than the output gear, the output gear rotate faster but carry out less force.

12.What is a compound gear? What is it used for? Accompany your Explanations of a drawing.

-Are two gears of different sizes that are joined, moving, therefore, at the same speed; Are gears used to reduce the speed of a motor

13.What does it mean when the gears transmit the movement accurately? What Advantages and disadvantages can this feature have?


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