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प्रश्न
Give one example of a class I lever where mechanical advantage is less than 1.
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उत्तर
Class I levers with M.A. less than 1 are scissors used to cut cloth or paper. When M.A. is less than 1, this type of lever is used to increase speed.
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संबंधित प्रश्न
What do you mean by the mechanical advantage of 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
A lever of length 100 cm has the effort of 15 kgf at a distance of 40 cm from the fulcrum at one end. What load can be applied at its other end?
Answer the following.
Name the simplest of all types of machines.
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Classify the following into levers:
Wheel barrow
Shows a lemon crusher. Name the class of lever.
The diagram below shows a rod lifting a stone.
- Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
- What class of lever is the rod?
- Give one more example of the same class of lever stated in part (b).
Differentiate Class I lever and Class II lever.
