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प्रश्न
Give one example of a class I lever where the mechanical advantage is more than 1.
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उत्तर
A shear is a class I lever with an M.A. more than 1.
संबंधित प्रश्न
What is a lever?
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 wheelbarrow
Name the class to which the following lever belong:
a see-saw
Name the class to which the following lever belong:
a crowbar
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
Name the machine to which the following belong:
Beam balance
Tick the most appropriate answer.
Which of the following is a Class II lever?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Give one example of a class I lever where mechanical advantage is less than 1.
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
Explain why the mechanical advantage of a class II of lever is always more than 1.
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
A fishing rod
Match the following:
| 1. | Class I lever | a. | Wheelbarrow |
| 2. | Class II lever | b. | Seesaw |
| 3. | Class III lever | c. | Axe |
| 4. | Wedge | d. | Hockey sick |
Differentiate Class I lever and Class II lever.
