Advertisements
Advertisements
प्रश्न
The following belong to which class of lever?
Wheelbarrow
Advertisements
उत्तर
Second-class of lever
APPEARS IN
संबंधित प्रश्न
Which class of lever will always have MA > 1 and why?
Name a machine to obtain gain in speed ?
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%?
The following belong to which class of lever?
Nutcracker
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?
State the types (or kinds) of lever, and give two examples of each kind.
The length of a nut-cracker is 12 cm. A nut, when kept at a distance of 4 cm from its fulcrum, requires an effort of 100 gf to crack it. What force will be required to crack the nut without using the nut-cracker?
