Question

pls tell me guys pls plz plz plz plz plz llz plz plz plz tell its a request pls tell me the correct answer only i dont want any type of other answer i want the correct ans only pls pls ​

Answer 1

Answer:

coz of pressure rule. ..

see outside the tube there is high pressure..and inside its low..so dust particles get sucked..coz air wants to occupy that space leading the dust particles to fill inside the vaccume cleaner..hope u get that..

Answer 2

Answer:

Because it was mechanically developed like that so that it can suck in the dust particles...