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प्रश्न
Give an example for each of the following uses of a machine:
to obtain gain in force,
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उत्तर
A jack is used to multiply force.
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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.
State four ways in which machines are useful to us.
Name a machine to change the point of application of force ?
State the incorrect statement:
What is the purpose of a machine?
Work is the application of a ....... through a distance.
Complete the following sentence :
Mechanical advantage = ___________ × velocity ratio
Complete the following sentence :
A scissors is a ___________ multiplier.
Under what condition will a set of gears produce a gain in speed
Mention the advantages of using a machine.
