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प्रश्न
The following belong to which class of lever?
Rowing of a boat
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उत्तर
Second-class of lever
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संबंधित प्रश्न
State the principle of a lever?
Draw a diagram of a lever which is always used as a force multiplier. How is the effort arm related to the load arm in such a lever?
The following belong to which class of lever?
An oar of a boat
The following belong to which class of lever?
Pliers Tools
The following belong to which class of lever?
A fire tongs
The following belong to which class of lever?
A pair of scissors
The following belong to which class of lever?
Nutcracker
The following belong to which class of lever?
Fore-arm
In the following diagram of a wheelbarrow, mark the fulcrum (F) and indicate the directions of load (L) and effort (E) with arrows.

What class of lever is it? Give one more example of the same class of lever.
When we want to use a machine as a force multiplier, which class of lever should we preferably use? Give a simple diagram of such a lever.

