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प्रश्न
Stat the principle of an ideal machine.
उत्तर
An ideal machine is a machine whose parts are weightless and frictionless so that which there is no dissipation of energy in any manner. Its efficiency is 100%, i.e. the work output is equal to work input.
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संबंधित प्रश्न
Name a machine to change the point of application of force ?
State the incorrect statement:
Name a machine which is used to multiply speed ?
What is the purpose of a machine?
Give an example for each of the following uses of a machine:
to obtain gain in force,
Work is the application of a ....... through a distance.
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
Name a machine which can be used to multiply force and change the direction of force applied.
Mention the advantages of using a machine.
