Advertisements
Advertisements
प्रश्न
Complete the following sentence :
A scissors is a ___________ multiplier.
उत्तर
A scissors is a speed multiplier.
APPEARS IN
संबंधित प्रश्न
What is the principle of an ideal machine?
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 ______.
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?
‘The force needed to push a load up an inclined plane is less than the force needed to lift it directly’ Give a reason.
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
Name a machine which can be used to multiply force and change the direction of force applied.
