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प्रश्न
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
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उत्तर
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.
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संबंधित प्रश्न
What is a lever?
Name the class to which the following lever belong:
a pair of sugar tongs
Name the class to which the following lever belong:
a beam balance
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Answer the following.
What is a Class I lever?
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Shows a lemon crusher. Name the class of lever.
Differentiate Class I lever and Class II lever.
