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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
State the principle of a lever?
Write down a relation expressing the mechanical advantage of a lever.
Fig 3.17 below shows a lever in use.
(a) To which class of lever does it belong?
(b) If FA = 80 cm, AB = 20 cm, find its mechanical advantage.
(c) Calculate the value of E.
Define Lever
The following belong to which class of lever?
Human-arm
The following belong to which class of lever?
Wheelbarrow
The following belong to which class of lever?
Knife
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.
The diagram below shows a lever in use.
(i) To which class of lever does it belong?
(ii) If FA = 40 cm, AB = 60 cm, then find the mechanical advantage of the lever.
What is a first-order lever?
