Advertisements
Advertisements
प्रश्न
The following belong to which class of lever?
Human-arm
Advertisements
उत्तर
Third-class of lever
संबंधित प्रश्न
Give one example of a class I lever where mechanical advantage is more than one ?
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?
Class II levers are designed to have ______.
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?
The Physical balance
The following belong to which class of lever?
A pair of scissors
The following belong to which class of lever?
Nutcracker
The following belong to which class of lever?
Knife
The following belong to which class of lever?
Fore-arm
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.
