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प्रश्न
Tick the most appropriate answer.
Which of the following is a Class II lever?
विकल्प
Pliers
A beam balance
A nut-cracker
A knife
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उत्तर
A nut-cracker
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संबंधित प्रश्न
Name the class to which the following lever belong:
a pair of sugar tongs
Name the class to which the following lever belong:
a crowbar
How does the friction at the fulcrum affect the mechanical advantage of the lever?
State three differences between the three classes of levers.
Answer the following in a word or two or in a sentence.
Which type of machine is used to squeeze a lemon?
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
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?
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).
Lemon juicer belongs to which type of lever? Why?
Classify the following into levers:
Sugar tongs
