Advertisements
Advertisements
प्रश्न
Shows a lemon crusher. Name the class of lever.
Advertisements
उत्तर
It is second-class of the lever
APPEARS IN
संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
Name the class to which the following lever belong:
a nutcracker
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Name the machine to which the following belong:
Beam balance
Answer the following.
What is a Class I lever?
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
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).
Match the following:
| 1. | Class I lever | a. | Wheelbarrow |
| 2. | Class II lever | b. | Seesaw |
| 3. | Class III lever | c. | Axe |
| 4. | Wedge | d. | Hockey sick |
