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प्रश्न
Classify the following into levers:
A door
विकल्प
Class I
Class II
Class III
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उत्तर
Class II
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संबंधित प्रश्न
Which class of lever has the mechanical advantage always more than 1? Give an example.
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Name the class to which the following lever belong:
a wheelbarrow
Name the class to which the following levers belong:
a pair of pliers
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
Name the machine to which the following belong:
Sugar tongs
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.
Which type of machine is used to squeeze a lemon?
Class III levers have mechanical advantage less than one. Why are they then used?
second-order lever ______.
