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प्रश्न
The following belong to which class of lever?
Fore-arm
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उत्तर
First-class of lever
संबंधित प्रश्न
A 4 m long rod of negligible weight is to be balanced about a point 125 cm from one end and a load of 18 kgf is suspended at a point 60 cm from the support on the shorter arm.
- If a weight W is placed at a distance of 250 cm from the support on the longer arm to balance the rod, find W.
- If a weight 5 kgf is kept to balance the rod, find its position.
- To which class of lever does it belong?
Give three examples for leavers of 1st order.
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?
A see-saw
The following belong to which class of lever?
A claw-hammer
The following belong to which class of lever?
Rowing of a boat
The following belong to which class of lever?
A pair of scissors
The following belong to which class of lever?
Knife
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.
What is a first-order lever?
