Advertisements
Advertisements
प्रश्न
A scissor is a ______ multiplier.
Advertisements
उत्तर
A scissor is a speed multiplier.
Explanation:
Its blades move through a greater distance than the handles, so it provides a gain in speed rather than force.
संबंधित प्रश्न
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 ?
Mechanical advantage (M.A.), load (L) and effort (E) are related as ______.
‘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 ?
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,
Complete the following sentence :
Mechanical advantage = ___________ × velocity ratio
Complete the following sentence :
A scissors is a ___________ multiplier.
