Advertisements
Advertisements
प्रश्न
Answer the following.
Name the simplest of all types of machines.
Advertisements
उत्तर
Lever.
APPEARS IN
संबंधित प्रश्न
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 lemon squeezer
Name the class to which the following lever belong:
a pair of sugar tongs
A lever of length 100 cm has the effort of 15 kgf at a distance of 40 cm from the fulcrum at one end. What load can be applied at its other end?
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Classify the following into levers:
Wheel barrow
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).
Name the load, effort, and fulcrum.
 |
 |
 |
|
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
Lemon juicer belongs to which type of lever? Why?
