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प्रश्न
The lever for which the mechanical advantage is less than 1 has :
विकल्प
Fulcrum at mid-point between load and effort.
Load between effort and fulcrum.
Effort between fulcrum and load.
Load and effort acting at the same point.
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उत्तर
Effort between fulcrum and load.
Reason:
Levers, for which the mechanical advantage is less than 1, always have the effort arm shorter than the load arm.
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संबंधित प्रश्न
Which class of lever will always have MA > 1 and why?
Which type of levers have mechanical advantage always more than 1? Give reasons.
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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.
When we want to use a machine as a force multiplier, which class of lever should we preferably use? Give a simple diagram of such a lever.
State the types (or kinds) of lever, and give two examples of each kind.
What is a first-order lever?
