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प्रश्न
The following belong to which class of lever?
Pliers Tools
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उत्तर
First-class of lever
संबंधित प्रश्न
Write down a relation expressing the mechanical advantage of a lever.
Draw a diagram of a lever which is always used as a force multiplier. How is the effort arm related to the load arm in such 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.
The following belong to which class of lever?
A see-saw
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
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.
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.
State the types (or kinds) of lever, and give two examples of each kind.
