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प्रश्न
Under what condition will a set of gears produce a gain in speed
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उत्तर
When the number of teeth in a driving wheel is more than a number of teeth in a driven wheel.
संबंधित प्रश्न
Two forces each of 5N act vertically upwards and downwards respectively on the two ends of a uniform metre rule which is placed at its mid-point as shown in the diagram. Determine the magnitude of the resultant moment of these forces about the midpoint.
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Name a machine to multiply force ?
Name a machine to change the point of application of force ?
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The diagram below shows a claw hammer used to remove a nail :
(i) To which class of lever does it belong ?
(ii) Give one more example of the same class of lever mentioned by you in (i) for which the mechanical advantage is greater than one.
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Complete the following sentence :
Mechanical advantage = ___________ × velocity ratio
