Advertisements
Advertisements
प्रश्न
The following belong to which class of lever?
A pair of scissors
उत्तर
First-class of lever
APPEARS IN
संबंधित प्रश्न
What is 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.
Give three examples for leavers of 1st order.
Give three examples for leavers of second order.
Which class of lever found in the human body is being used by a boy when he raises the weight of his body on his toes?
The following belong to which class of lever?
Human-arm
The following belong to which class of lever?
Nutcracker
When we want to use a machine as a force multiplier, which class of lever should we preferably use? Give a simple diagram of such a lever.
The diagram below shows a lever in use.
(i) To which class of lever does it belong?
(ii) If FA = 40 cm, AB = 60 cm, then find the mechanical advantage of the lever.
