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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
Name a machine to multiply force ?
State the incorrect statement:
A force of 5 kgf is required to cut a metal sheet. A pair of shears used for cutting the metal sheet has its blades 5 cm long, while its handles is 10 cm long. What effort is needed to cut the sheet?
Name a machine which is used to multiply speed ?
What is the purpose of a machine?
Stat the principle of an ideal machine.
Shows a lemon crusher.
- In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E.
- Name the class of lever
Complete the following sentence :
Mechanical advantage = ___________ × velocity ratio
Complete the following sentence :
A scissors is a ___________ multiplier.
Name a machine which can be used to multiply force and change the direction of force applied.
