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प्रश्न
The following belong to which class of lever?
A claw-hammer
उत्तर
First-class of lever
APPEARS IN
संबंधित प्रश्न
Write down a relation expressing the mechanical advantage of a lever.
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?
Define Lever
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 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?
Rowing of a boat
The following belong to which class of lever?
Wheelbarrow
When we want to use a machine as a force multiplier, which class of lever should we preferably use? Give a simple diagram of such a lever.
What is a lever?
