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प्रश्न
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
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उत्तर
The useful work done by an actual machine is always less than the work done on the machine.
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संबंधित प्रश्न
Select the correct alternative:
For an ideal machine, the efficiency is
What is the principle on which a machine works?
What is an ideal machine?
Answer the following.
What is a machine?
What is an inclined plane?
What is the efficiency of an ideal machine?
Give an example of the following use of a machine to obtain gain in force.
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
The idea of a simple machine originated with the Greek philosopher Archimedes.
