Advertisements
Advertisements
प्रश्न
The following belong to which class of lever?
The Physical balance
Advertisements
उत्तर
First-class of lever
संबंधित प्रश्न
What is a lever?
Define 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%?
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 fire tongs
The following belong to which class of lever?
A pair of scissors
The following belong to which class of lever?
Wheelbarrow
The following belong to which class of lever?
Fore-arm
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?
