Advertisements
Advertisements
प्रश्न
Explain why the mechanical advantage of a class II of lever is always more than 1.
Advertisements
उत्तर
- With Class II levers, the load L is positioned somewhere between the effort E and the fulcrum F.
- The fulcrum F and the effort E are located at the two ends of the lever.
- As a result, the effort arm is always longer than the load arm, and the load and the effort are on the same side of the fulcrum but moving in different directions.
- Therefore, the mechanical advantage is always greater than 1.
APPEARS IN
संबंधित प्रश्न
Give one example of a class I lever where the mechanical advantage is more than 1.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
How can you increase the mechanical advantage of a lever?
Answer the following.
What is 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.
Class III levers have mechanical advantage less than one. Why are they then used?
Shows a lemon crusher. Name the class of lever.
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
Name the class of the lever shown in the picture below:
Classify the following into levers:
Claw hammer
