Advertisements
Advertisements
प्रश्न
Class III levers have mechanical advantage less than one. Why are they then used?
Advertisements
उत्तर
With levers of class III, we do not get gain in force, but we get gain in speed, that is a longer displacement of load is obtained by a smaller displacement of effort.
APPEARS IN
संबंधित प्रश्न
Give one example of a class I lever where the mechanical advantage is more than 1.
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following lever belong:
an oar rowing a boat.
Name the class to which the following lever belong:
a see-saw
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Classify the following into levers:
A catapult
Classify the following into levers:
A fishing rod
Classify the following into levers:
Claw hammer
Classify the following into levers:
Sugar tongs
