Advertisements
Advertisements
Question
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Advertisements
Solution
It is very difficult to open the sealed metal cap of a cold drink bottle with our bare hands. A simple machine like a bottle opener (Class II lever) multiplies the applied force and much less effort is required to open the cap. Hence, it acts as a force multiplier.
APPEARS IN
RELATED QUESTIONS
Fill in the blank:
In class II levers, the load is in between fulcrum and .........
Give one example of a class I lever in a case where the mechanical advantage is equal to 1?
Name the class to which the following lever belong:
a see-saw
Name the machine to which the following belong:
Sugar tongs
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Give one example of a class I lever where mechanical advantage is less than 1.
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
Class III levers have mechanical advantage less than one. Why are they then used?
Name the class of the lever shown in the picture below:

A ______ lever will always have M.A. > 1.
