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प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Work done by a machine is always more than the work done on a machine.
विकल्प
True
False
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उत्तर
False.
Work done by a machine is always less than the work done on a machine.
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संबंधित प्रश्न
Select the correct alternative:
For an ideal machine, the efficiency is
What is the purpose of a jack in lifting a car by it?
Give an example where a machine is used to obtain gain in speed.
Give an example of the following use of a machine to obtain gain in force.
What is the efficiency of a machine?
Classify the following as a lever, a pulley and an inclined plane:
Nutcrackers
Which machine will you use to do the following work? Write their type.
To cut vegetables.
What is meant by simple machines?
Simple machines usually exchange a larger force to move a heavy object.
The idea of a simple machine originated with the Greek philosopher Archimedes.
