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प्रश्न
Name the class to which the following lever belong:
a beam balance
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उत्तर
a beam balance: Class I lever.
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संबंधित प्रश्न
Name the class to which the following lever belong:
a pair of sugar tongs
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
A fishing rod
Shows a lemon crusher. Name the class of lever.
Differentiate Class I lever and Class II lever.
A ______ lever will always have M.A. > 1.
