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प्रश्न
Mention the advantages of using a machine.
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उत्तर
The advantages of using a machine are:
- More work can be done in less time as well as with great accuracy
- Less effort has to be applied to accomplish the task
संबंधित प्रश्न
A scissor is a _________ multiplier
What is the principle of an ideal machine?
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 change the point of application of force ?
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 ?
Work is the application of a ....... through a distance.
Stat the principle of an ideal machine.
Complete the following sentence :
A scissors is a ___________ multiplier.
