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प्रश्न
The following belong to which class of lever?
Fore-arm
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उत्तर
First-class of lever
संबंधित प्रश्न
What is a lever?
Define lever.
Give three examples for leavers of the third order.
Which class of lever found in the human body is being used by a boy when he raises the weight of his body on his toes?
The following belong to which class of lever?
Sugar tongs
The following belong to which class of lever?
A pair of scissors
The following are an example of levers. State the class of lever to which each one belongs giving the relative positions of Load (L), Effort (E), Fulcrum (F):
(i) Scissors (ii) Sugar tongs (iii) Nutcracker (iv) Pliers.
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.
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.
