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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
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
Give one example of a class I lever where the mechanical advantage is more than 1.
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following lever belong:
a pair of sugar tongs
Name the class to which the following levers belong:
a pair of pliers
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 pair of forceps
Classify the following into levers:
A door
Classify the following into levers:
Sugar tongs
