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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
State whether the following statement is True or False.
All levers are force multipliers.
What do you mean by the mechanical advantage of a lever?
Give one example of a class I lever where the mechanical advantage is more than 1.
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following lever belong:
a wheelbarrow
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.

How can you increase the mechanical advantage of a 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.
Explain why the mechanical advantage of a class II of lever is always more than 1.
Shows a lemon crusher. Name the class of lever.
