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प्रश्न
What is the principle on which a machine works?
उत्तर
Principle of a Machine: The work output of a machine is equal to the work input.
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संबंधित प्रश्न
What do you understand by a simple machine?
What is an inclined plane?
What is an ideal machine?
Write the relation between mechanical advantage, velocity ratio and efficiency.
Give scientific reason for the following:
Passengers in a bus are pushed backward when it starts suddenly.
Classify the following as a lever, a pulley and an inclined plane:
An opener
Classify the following as a lever, a pulley and an inclined plane:
A knife
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
Simple machines usually exchange a larger force to move a heavy object.
The idea of a simple machine originated with the Greek philosopher Archimedes.
