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प्रश्न
What do you mean by the mechanical advantage of a lever?
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उत्तर
The mechanical advantage of a lever is equal to the ratio of the effort arm to the load arm. This is also called the principle of a lever.
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संबंधित प्रश्न
What is a lever?
Which class of lever has the mechanical advantage always less than 1? Give an example.
Name the class to which the following lever belong:
a lemon squeezer
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
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.
Given an example of a Class I lever.
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Classify the following into levers:
A catapult
Name the class of the lever shown in the picture below:
