Advertisements
Advertisements
प्रश्न
How can you increase the mechanical advantage of a lever?
Advertisements
उत्तर
The mechanical advantage of a lever can be increased by increasing the effort arm or reducing the load arm.
APPEARS IN
संबंधित प्रश्न
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:
Sugar tongs
Tick the most appropriate answer.
Which of the following is a Class II lever?
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.
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.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Classify the following into levers:
Wheel barrow
Lemon juicer belongs to which type of lever? Why?
