Advertisements
Advertisements
प्रश्न
Class III levers have mechanical advantage less than one. Why are they then used?
Advertisements
उत्तर
With levers of class III, we do not get gain in force, but we get gain in speed, that is a longer displacement of load is obtained by a smaller displacement of effort.
APPEARS IN
संबंधित प्रश्न
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following lever belong:
a wheelbarrow
Name the class to which the following levers belong:
a pair of pliers
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
Name the machine to which the following belong:
Sugar tongs
Answer the following.
Name the simplest of all types of machines.
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Classify the following into levers:
A fishing rod
second-order lever ______.
