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प्रश्न
Name the class to which the following lever belong:
an oar rowing a boat.
उत्तर
an oar rowing a boat: Class I lever
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संबंधित प्रश्न
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
Name the class to which the following lever belong:
a lemon squeezer
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
Name the machine to which the following belong:
Lemon crusher
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 in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Name the load, effort, and fulcrum.
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