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प्रश्न
The following belong to which class of lever?
A claw-hammer
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उत्तर
First-class of lever
संबंधित प्रश्न
What is a lever?
State the principle of a lever?
shows a nut cracker name the class of lever ?
Define Lever
The following belong to which class of lever?
Pliers Tools
The following belong to which class of lever?
Wheelbarrow
The following belong to which class of lever?
Knife
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 crowbar of length 100 cm is used to lift a load of 5 kgf. It has its fulcrum at a distance of 20 cm from the load. Calculate:
(i) the mechanical advantage of a crowbar and,
(ii) the effort applied at the other end.
What is a first-order lever?
