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प्रश्न
The following belong to which class of lever?
Knife
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उत्तर
Third-class of lever
संबंधित प्रश्न
What is a lever?
State the principle of a lever?
Write down a relation expressing the mechanical advantage of a lever.
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 ______.
A lever of length 9 cm has its load arm 5 cm long and the effort arm is 9 cm long.
- To which class does it belong?
- Draw a diagram of the lever showing the position of fulcrum F and directions of both the load L and effort E.
- What is the mechanical advantage and velocity ratio if the efficiency is 100%?
- What will be the mechanical advantage and velocity ratio if the efficiency becomes 50%?
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.
The following belong to which class of lever?
The Physical balance
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.
