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प्रश्न
Class III levers have mechanical advantage less than one. Why are they then used?
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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.
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संबंधित प्रश्न
Name the class to which the following lever belong:
a wheelbarrow
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Name the machine to which the following belong:
Sugar tongs
Answer the following.
What is a Class I lever?
Answer the following in a word or two or in a sentence.
Which type of machine is used to squeeze a lemon?
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?
Name the load, effort, and fulcrum.
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 |
 |
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1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
Differentiate Class I lever and Class II lever.
Name the class of the lever shown in the picture below:
Classify the following into levers:
Claw hammer
