Advertisements
Advertisements
प्रश्न
Under what condition will a set of gears produce a gain in speed
उत्तर
When the number of teeth in a driving wheel is more than a number of teeth in a driven wheel.
APPEARS IN
संबंधित प्रश्न
A scissor is a _________ multiplier
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.
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 multiply force ?
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.
Name a machine which is used to multiply speed ?
Give an example for each of the following uses of a machine:
to obtain gain in force,
What is a machine?
