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प्रश्न
Name a machine to change the point of application of force ?
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उत्तर
To change the point of application of force: the wheel of a cycle is rotated with the help of a chain by applying the force on the pedal.
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.
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 :
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
What is a 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.
