Advertisements
Advertisements
प्रश्न
Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever. Which one has the mechanical advantage less than 1?
Advertisements
उत्तर
A pair of scissors and a pair of pliers both belong to class I lever.
A pair of scissors has mechanical advantage less than 1.
APPEARS IN
संबंधित प्रश्न
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
Which class of lever has the mechanical advantage always less than 1? Give an example.
Name the class to which the following lever belong:
A pair of scissors
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 see-saw.
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
Answer the following.
What is a Class I lever?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Differentiate Class I lever and Class II lever.
Name the class of the lever shown in the picture below:
