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प्रश्न
The following belong to which class of lever?
Knife
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उत्तर
Third-class of lever
संबंधित प्रश्न
Name a machine to obtain gain in speed?
shows a nut cracker name the class of lever ?
Fig 3.17 below shows a lever in use.
(a) To which class of lever does it belong?
(b) If FA = 80 cm, AB = 20 cm, find its mechanical advantage.
(c) Calculate the value of E.
Give three examples for leavers of second order.
Give three examples for leavers of the third order.
The following belong to which class of lever?
Rowing of a boat
The following belong to which class of lever?
A pair of scissors
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.
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 lever is used to multiply the force.
