Advertisements
Advertisements
प्रश्न
The following belong to which class of lever?
The Physical balance
Advertisements
उत्तर
First-class of lever
APPEARS IN
संबंधित प्रश्न
Name a machine to obtain gain in speed ?
The lever for which the mechanical advantage is less than 1 has :
Give three examples for leavers of 1st order.
The following belong to which class of lever?
A see-saw
The following belong to which class of lever?
Pliers Tools
The following belong to which class of lever?
Rowing of a boat
The following belong to which class of lever?
Fore-arm
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.

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?
