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प्रश्न
Classify the following into levers:
Wheel barrow
विकल्प
Class I
Class II
Class III
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उत्तर
Class II
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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.
Which class of lever has the mechanical advantage always more than 1? Give an example.
Name the class to which the following lever belong:
a pair of 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?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
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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