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प्रश्न
______ help us to make work easier.
पर्याय
Ramp
Simple machines
Work
Energy
Pulley
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उत्तर
Simple machines help us to make work easier.
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संबंधित प्रश्न
What is the principle on which a machine works?
Define the term ‘work input’ and ‘work output’ in relation to a machine.
Answer the following in short.
Mention any two methods by which we can take care of machines.
What do you understand by a simple machine?
Define mechanical advantage (M.A.) of the machine.
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
Classify the following as a lever, a pulley and an inclined plane:
A slide
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:
An axe
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the first order.
