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
Name the class to which the following lever belong:
a crowbar
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
Tick the most appropriate answer.
Which of the following is a Class II lever?
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Answer the following in short.
What is the basis of the classification of levers?
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.
Class III levers have mechanical advantage less than one. Why are they then used?
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).
