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प्रश्न
Name the machine to which the following belong:
Sugar tongs
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उत्तर
Sugar tongs: A lever (lever of class III)
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संबंधित प्रश्न
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 crowbar
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.
What is a Class I 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?
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?
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
A catapult
