Advertisements
Advertisements
Question
What do you mean by the mechanical advantage of a lever?
Advertisements
Solution
The mechanical advantage of a lever is equal to the ratio of the effort arm to the load arm. This is also called the principle of a lever.
APPEARS IN
RELATED QUESTIONS
Name the class to which the following lever belong:
a nutcracker
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
Answer the following.
What is a Class I lever?
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Classify the following into levers:
A catapult
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:
Claw hammer
