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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.
Fill in the blank:
In class II levers, the load is in between fulcrum and .........
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
Answer the following.
What is a Class I lever?
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Give one example of a class I lever where mechanical advantage is less than 1.
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Lemon juicer belongs to which type of lever? Why?
