Advertisements
Advertisements
प्रश्न
The following belong to which class of lever?
Pliers Tools
Advertisements
उत्तर
First-class of lever
संबंधित प्रश्न
Write down a relation expressing the mechanical advantage of a lever.
shows a nut cracker name the class of lever ?
Give three examples for leavers of second order.
The following belong to which class of lever?
A see-saw
The following belong to which class of lever?
Human-arm
Shears, used for cutting metals and scissors used for cutting clothes are both examples of levers of the first order. However, whereas the shears always have short blades and long handles, the scissors often have blades much longer than the handles. Explain, why this is so?
In the diagram shown alongside a claw hammer, mark the fulcrum (F) and indicate the directions of load (L) and effort (E) with arrows. What class of lever is it? Give one more example of this class of lever.
In the following diagram of a wheelbarrow, mark the fulcrum (F) and indicate the directions of load (L) and effort (E) with arrows.
What class of lever is it? Give one more example of the same class of lever.
The diagram shows the use of a lever.
- State the principle of moments as applied to the above lever.
- Which class of lever is this? Give an example of this class of lever.
- If FA = 100 cm, AB = 90 cm, calculate the minimum effort required to lift the load.
What is a first-order lever?
