Advertisements
Advertisements
प्रश्न
Complete the following sentence :
Mechanical advantage = ___________ × velocity ratio
Advertisements
उत्तर
Mechanical advantage = efficiency × velocity ratio
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.
A scissor is a _________ multiplier
State four ways in which machines are useful to us.
Name a machine to multiply force ?
Name a machine to change the point of application of force ?
State the incorrect statement:
The diagram below shows a claw hammer used to remove a nail :
(i) To which class of lever does it belong ?
(ii) Give one more example of the same class of lever mentioned by you in (i) for which the mechanical advantage is greater than one.
Give an example for each of the following uses of a machine:
to obtain gain in force,
Stat the principle of an ideal machine.
What is a machine?
