Advertisements
Advertisements
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.
उत्तर
Velocity ratio.
It is the ratio of the velocity of effort to the velocity of the load.
`V.R = V_E/V_L`
APPEARS IN
संबंधित प्रश्न
Two forces each of 5N act vertically upwards and downwards respectively on the two ends of a uniform metre rule which is placed at its mid-point as shown in the diagram. Determine the magnitude of the resultant moment of these forces about the midpoint.
State four ways in which machines are useful to us.
‘The force needed to push a load up an inclined plane is less than the force needed to lift it directly’ Give a reason.
Name a machine which is used to multiply speed ?
Work is the application of a ....... through a distance.
Stat the principle of an ideal machine.
Complete the following sentence :
A scissors is a ___________ multiplier.
Under what condition will a set of gears produce a gain in speed
Name a machine which can be used to multiply force and change the direction of force applied.
Mention the advantages of using a machine.
