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प्रश्न
Tick the most appropriate answer.
Which of the following is a Class II lever?
विकल्प
Pliers
A beam balance
A nut-cracker
A knife
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उत्तर
A nut-cracker
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संबंधित प्रश्न
Name the class to which the following lever belong:
a pair of sugar tongs
Name the class to which the following lever belong:
a see-saw
Name the machine to which the following belong:
Beam balance
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.
Answer the following.
State the principle of levers.
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Given an example of a Class I lever.
Answer the following in a word or two or in a sentence.
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