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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 crowbar
A lever of length 100 cm has the effort of 15 kgf at a distance of 40 cm from the fulcrum at one end. What load can be applied at its other end?
Tick the most appropriate answer.
A pair of scissors is an example of a/an
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever. Which one has the mechanical advantage less than 1?
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Name the load, effort, and fulcrum.
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1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
second-order lever ______.
Name the class of the lever shown in the picture below:
