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प्रश्न
Shows a lemon crusher.
- In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E.
- Name the class of lever
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उत्तर
- It is second-class of the lever.
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संबंधित प्रश्न
With reference to the terms mechanical advantage, velocity ratio and efficiency of a machine, name and define the term that will not change for the machine of a given design.
A scissor is a ______ multiplier.
Two forces each of 5N act vertically upwards and downwards respectively on the two ends of a uniform metre rule which is placed at its mid-point as shown in the diagram. Determine the magnitude of the resultant moment of these forces about the midpoint.
State four ways in which machines are useful to us.
Name a machine to multiply force ?
State the incorrect statement:
Stat the principle of an ideal machine.
Complete the following sentence :
A scissors is a ___________ multiplier.
What is a machine?
Mention the advantages of using a machine.
