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प्रश्न
Define Lever
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उत्तर
Lever: A lever is a rigid, straight or bent bar which is capable of turning about a fixed axis.
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संबंधित प्रश्न
What is a lever?
The lever for which the mechanical advantage is less than 1 has :
Give three examples for leavers of 1st order.
Give three examples for leavers of the third order.
The following belong to which class of lever?
Wheelbarrow
The following belong to which class of lever?
Fore-arm
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.
What is a lever?
The length of a nut-cracker is 12 cm. A nut, when kept at a distance of 4 cm from its fulcrum, requires an effort of 100 gf to crack it. What force will be required to crack the nut without using the nut-cracker?
A lever is used to multiply the force.
