Advertisements
Advertisements
प्रश्न
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).
Advertisements
उत्तर
(a)
(b) This rod is a class II lever as load is between fulcrum and effort.
(c) An example of class II lever is a bottle opener.
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
In class II levers, the load is in between fulcrum and .........
What is a lever?
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Explain why the mechanical advantage of a class II of lever is always more than 1.
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
A fishing rod
Shows a lemon crusher. Name the class of lever.
second-order lever ______.
