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प्रश्न
Stat the principle of an ideal machine.
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उत्तर
An ideal machine is a machine whose parts are weightless and frictionless so that which there is no dissipation of energy in any manner. Its efficiency is 100%, i.e. the work output is equal to work input.
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.
Draw a diagram to show how a single pulley can be used so as to have its ideal M.A= 2.
State four ways in which machines are useful to us.
Name a machine to change the point of application of force ?
Mechanical advantage (M.A.), load (L) and effort (E) are related as ______.
State the incorrect statement:
‘The force needed to push a load up an inclined plane is less than the force needed to lift it directly’ Give a reason.
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.
Under what condition will a set of gears produce a gain in speed
