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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
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.
Name a machine to multiply force ?
Name a machine to change the point of application of force ?
Mechanical advantage (M.A.), load (L) and effort (E) are related as ______.
State the incorrect statement:
A force of 5 kgf is required to cut a metal sheet. A pair of shears used for cutting the metal sheet has its blades 5 cm long, while its handles is 10 cm long. What effort is needed to cut the sheet?
Name a machine which is used to multiply speed ?
Stat the principle of an ideal machine.
Name a machine which can be used to multiply force and change the direction of force applied.
Mention the advantages of using a machine.
