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प्रश्न
What is a machine?
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उत्तर
A machine is a device by which we can overcome resistance by applying a comparatively small force at a convenient point and in the desired direction or obtain a gain in speed.
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
State four ways in which machines are useful to us.
Name a machine to multiply force ?
Name a machine to change the point of application of force ?
State the incorrect statement:
Give an example for each of the following uses of a machine:
to obtain gain in force,
Work is the application of a ....... through a distance.
Complete the following sentence :
A scissors is a ___________ multiplier.
Mention the advantages of using a machine.
