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प्रश्न
The following belong to which class of lever?
Wheelbarrow
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उत्तर
Second-class of lever
संबंधित प्रश्न
Which class of lever will always have MA > 1 and why?
Name a machine to obtain gain in speed?
State the principle of a lever?
Write down a relation expressing the mechanical advantage of a lever.
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%?
Give three examples for leavers of the third 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?
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.
What is a first-order lever?
