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प्रश्न
The following belong to which class of lever?
Sugar tongs
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उत्तर
Third-class of lever
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संबंधित प्रश्न
Which class of lever will always have MA > 1 and why?
shows a nut cracker name the class of lever ?
Which type of levers have mechanical advantage always more than 1? Give reasons.
Give three examples for leavers of the third order.
The following belong to which class of lever?
An oar of a boat
The following belong to which class of lever?
A claw-hammer
The following belong to which class of lever?
A fire tongs
What is a lever?
The diagram shows the use of a lever.
- State the principle of moments as applied to the above lever.
- Which class of lever is this? Give an example of this class of lever.
- If FA = 100 cm, AB = 90 cm, calculate the minimum effort required to lift the load.
A crowbar of length 100 cm is used to lift a load of 5 kgf. It has its fulcrum at a distance of 20 cm from the load. Calculate:
(i) the mechanical advantage of a crowbar and,
(ii) the effort applied at the other end.
