Advertisements
Advertisements
प्रश्न
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Advertisements
उत्तर
It is very difficult to open the sealed metal cap of a cold drink bottle with our bare hands. A simple machine like a bottle opener (Class II lever) multiplies the applied force and much less effort is required to open the cap. Hence, it acts as a force multiplier.
APPEARS IN
संबंधित प्रश्न
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 see-saw
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Answer the following.
State the principle 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 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?
Name the class of the lever shown in the picture below:
