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प्रश्न
Class II levers are designed to have ______.
विकल्प
M.A. = V.R.
M.A. > V.R.
M.A. > 1
M.A. < 1
उत्तर
Class II levers are designed to have M.A. > 1.
Reason:
In class II levers, the load is in between the effort and fulcrum. Thus, the effort arm is always longer than the load arm and less effort is needed to overcome a large load. Hence, M.A > 1
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संबंधित प्रश्न
Name a machine to obtain gain in speed ?
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The following belong to which class of lever?
A see-saw
The following belong to which class of lever?
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The following belong to which class of lever?
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The following are an example of levers. State the class of lever to which each one belongs giving the relative positions of Load (L), Effort (E), Fulcrum (F):
(i) Scissors (ii) Sugar tongs (iii) Nutcracker (iv) Pliers.
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