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प्रश्न
Comment on the statement ‘The mechanical advantage of a machine is greater than 1’. Give an example of a lever mechanical advantage is:
(i) greater than 1.
(ii) Equal to 1.
उत्तर
The statement means that the effort required for the machine to overcome a load is less than the load.
(i) The crowbar,
(ii) The beam of the common balance.
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