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प्रश्न
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.
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उत्तर
In the diagram given below F shows the position of fulcrum and arrows marked at L and E indicate the direction of load and effort respectively.
It belongs to the second class of lever.
A nutcracker is one more example of the same class of lever.
संबंधित प्रश्न
Give one example of a class I lever where mechanical advantage is more than one ?
The lever for which the mechanical advantage is less than 1 has :
Class II levers are designed to have ______.
Which class of lever found in the human body is being used by a boy when he holds a load on the palm of his hand.
Which class of lever found in the human body is being used by a boy when he raises the weight of his body on his toes?
The following belong to which class of lever?
The Physical balance
The following belong to which class of lever?
A see-saw
The following belong to which class of lever?
A fire tongs
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?
What is a first-order lever?
