Advertisements
Advertisements
प्रश्न
Under what condition will a set of gears produce a gain in speed
Advertisements
उत्तर
When the number of teeth in a driving wheel is more than a number of teeth in a driven wheel.
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.
A force of 5 kgf is required to cut a metal sheet. A pair of shears used for cutting the metal sheet has its blades 5 cm long, while its handles is 10 cm long. What effort is needed to cut the sheet?
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,
Work is the application of a ....... through a distance.
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
Complete the following sentence :
A scissors is a ___________ multiplier.
What is a machine?
