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प्रश्न
Name a machine which is used to multiply speed ?
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उत्तर
Multiply speed: gear system or class III lever.
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.
What is the principle of an ideal machine?
Draw a diagram to show how a single pulley can be used so as to have its ideal M.A= 2.
Name a machine to multiply force ?
Name a machine to change the point of application of force ?
‘The force needed to push a load up an inclined plane is less than the force needed to lift it directly’ Give a reason.
What is the purpose of a machine?
Give an example for each of the following uses of a machine:
to obtain gain in force,
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
Complete the following sentence :
Mechanical advantage = ___________ × velocity ratio
