Advertisements
Advertisements
Question
Give one example of a class I lever where mechanical advantage is less than 1.
Solution
Class I levers with M.A. less than 1 are scissors used to cut cloth or paper. When M.A. is less than 1, this type of lever is used to increase speed.
APPEARS IN
RELATED QUESTIONS
Which class of lever has the mechanical advantage always more than 1? Give an example.
Give one example of a class I lever where the mechanical advantage is more than 1.
Name the class to which the following lever belong:
a see-saw
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 pair of forceps
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Shows a lemon crusher. Name the class of lever.
Name the class of the lever shown in the picture below:
A ______ lever will always have M.A. > 1.
