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प्रश्न
Name the class to which the following lever belong:
a nutcracker
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उत्तर
a nutcracker: Class II lever.
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संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
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.
What do you mean by the mechanical advantage of a lever?
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:
Lemon crusher
Answer the following.
Name the simplest of all types of machines.
Answer the following.
State the principle of levers.
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Classify the following into levers:
A door
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).
