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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
shows a nut cracker name the class of lever ?
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(i) To which class of lever does it belong?
(ii) If FA = 40 cm, AB = 60 cm, then find the mechanical advantage of the lever.
The diagram shows the use of a lever.
- State the principle of moments as applied to the above lever.
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- If FA = 100 cm, AB = 90 cm, calculate the minimum effort required to lift the load.
State the types (or kinds) of lever, and give two examples of each kind.
What is a first-order lever?
