Question

$\huge \sf \color{purple}{\underline{\underline{Question}}} :$
Which class of lever has a mechanical advantage less than one? What is use of this class of lever ?​

Answer 1

$\huge \sf \color{red}{\underline{\underline{Answer}}} :$

A lever of class 3 has a mechanical advantage which is less than one because here, effort arm is are the shorter than the load arm .

By the use of a Class 3 lever, a load can be move through a long distance even though the effort moves a small distance.

Example of class 3 : Fire tongs , sugar tones , a knife , a fishing rod , etc.

Answer 2

$\huge\sf {\mid}\underline}\overline}{fbox}\color{red}{answer}}}\mid}}}$

A lever of class 3 has a mechanical advantage which is less than one because here, effort arm is are the shorter than the load arm .

By the use of a Class 3 lever, a load can be move through a long distance even though the effort moves a small distance.

Example of class 3 : Fire tongs , sugar tones , a knife , a fishing rod , etc.