Advertisements
Advertisements
प्रश्न
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
पर्याय
M.A. = η × V.R.
V.R. = η × M.A.
η = M.A. × V.R.
None of these
उत्तर
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R) and the efficiency (n) is M.A. = η × V.R.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative:
For an ideal machine, the efficiency is
What do you understand by a machine?
Name six simple machines. Give an example of each machine.
What is an ideal machine?
Can a machine be 100% efficient?
Give scientific reason for the following:
Passengers in a bus are pushed backward when it starts suddenly.
Write an expression for the mechanical advantage of an inclined plane.
(i) Calculate the mechanical advantage of the lever shown in the figure.
(ii) How do you define the mechanical advantage of a machine?
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
Which machine will you use to do the following work? Write their type.
To lift bricks to the top of a tall building.
