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प्रश्न
How does the friction at the fulcrum affect the mechanical advantage of the lever?
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उत्तर
Friction at the fulcrum reduces the mechanical advantage.
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संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
Name the class to which the following lever belong:
a nutcracker
Name the class to which the following lever belong:
a pair of sugar tongs
Name the class to which the following lever belong:
a crowbar
How can you increase the mechanical advantage of a lever?
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?
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?
Explain why the mechanical advantage of a class II of lever is always more than 1.
Lemon juicer belongs to which type of lever? Why?
