Advertisements
Advertisements
प्रश्न
Define lever.
Define the following:
Lever
Advertisements
उत्तर
A lever is a rigid, straight or bent bar which is capable of turning about a fixed axis.
APPEARS IN
संबंधित प्रश्न
Name a machine to obtain gain in speed?
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.
Which type of levers have mechanical advantage always more than 1? Give reasons.
The following belong to which class of lever?
A see-saw
The following belong to which class of lever?
An oar of a boat
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?
A claw-hammer
The following belong to which class of lever?
Sugar tongs
