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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.
Name the class to which the following lever belong:
an oar rowing a boat.
Name the class to which the following lever belong:
a wheelbarrow
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
How can you increase the mechanical advantage of a lever?
A lever of length 100 cm has the effort of 15 kgf at a distance of 40 cm from the fulcrum at one end. What load can be applied at its other end?
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Answer the following in short.
What is the basis of the classification of levers?
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- 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.
Classify the following into levers:
A fishing rod
Name the load, effort, and fulcrum.
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 |
 |
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1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
Lemon juicer belongs to which type of lever? Why?
Differentiate Class I lever and Class II lever.
Name the class of the lever shown in the picture below:
