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प्रश्न
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
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उत्तर
Class III lever (hockey stick, fbreep)
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संबंधित प्रश्न
Name the class to which the following lever belong:
a nutcracker
Name the class to which the following lever belong:
an oar rowing a boat.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
Name the machine to which the following belong:
Beam balance
Answer the following in short.
What is the basis of the classification of levers?
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?
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Draw a labelled diagram of a class II lever. Give one example of such a lever.
The diagram below shows a rod lifting a stone.
- Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
- What class of lever is the rod?
- Give one more example of the same class of lever stated in part (b).
Classify the following into levers:
Sugar tongs
