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प्रश्न
The following belong to which class of lever?
Human-arm
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उत्तर
Third-class of lever
संबंधित प्रश्न
What is a lever?
The lever for which the mechanical advantage is less than 1 has :
Give three examples for leavers of second 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?
The Physical balance
The following belong to which class of lever?
An oar of a boat
The following belong to which class of lever?
A claw-hammer
The following belong to which class of lever?
Fore-arm
In the diagram shown alongside a claw hammer, 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 this class of 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?
