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प्रश्न
Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever. Which one has the mechanical advantage less than 1?
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उत्तर
A pair of scissors and a pair of pliers both belong to class I lever.
A pair of scissors has mechanical advantage less than 1.
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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.
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 lemon squeezer
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
State three differences between the three classes of levers.
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.
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Classify the following into levers:
A door
Classify the following into levers:
Sugar tongs
