Advertisements
Advertisements
प्रश्न
The following belong to which class of lever?
Knife
Advertisements
उत्तर
Third-class of lever
संबंधित प्रश्न
shows a nut cracker name the class of lever ?
The lever for which the mechanical advantage is less than 1 has :
Which type of levers have mechanical advantage always more than 1? Give reasons.
Give three examples for leavers of 1st order.
The following belong to which class of lever?
Human-arm
The following belong to which class of lever?
Pliers Tools
The following belong to which class of lever?
Rowing of a boat
Draw a labelled sketch of a second class lever. Give one example of such a lever.
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.
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.
