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प्रश्न
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
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उत्तर
See-saw, pair of scissors.
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संबंधित प्रश्न
Name the class to which the following lever belong:
a nutcracker
Name the class to which the following lever belong:
an oar rowing a boat.
Name the class to which the following lever belong:
a crowbar
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
How does the friction at the fulcrum affect the mechanical advantage of the lever?
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 short.
What is the basis of the classification of levers?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Classify the following into levers:
Wheel barrow
second-order lever ______.
