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प्रश्न
Name the class to which the following lever belong:
a beam balance
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उत्तर
a beam balance: Class I lever.
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संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
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In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
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Tick the most appropriate answer.
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