what is screw?give detail
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Answer:
screw
स्क्रू
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noun
noun: screw; plural noun: screws
a thin pointed piece of metal used for fixing two things, for example pieces of wood, together. You turn a screw with a special tool (a screwdriver)
पेंच, स्क्रू
verb
verb: screw; past tense: screwed; past participle: screwed; 3rd person present: screws; gerund or present participle: screwing
1.
to fasten something with a screw or screws
(किसी वस्तु को) पेंच कस कर जमाना
The bookcase is screwed to the wall.The bookcase is screwed to the wall.
The lid is screwed down so you can’t remove it.The lid is screwed down so you can’t remove it.
2.
to fasten something, or to be fastened, by turning
किसी वस्तु को पेंच से कसना या किसी वस्तु पर पेंच कसना
The legs screw into holes in the underside of the seat.The legs screw into holes in the underside of the seat.
Make sure that you screw the top of the jar on tightly.Make sure that you screw the top of the jar on tightly.
3.
to squeeze something, especially a piece of paper, into a tight ball
किसी वस्तु (विशेषतः काग़ज़ का टुकड़ा) को ज़ोर से दबाकर गेंदनुमा बना देना
He screwed the letter up into a ball and threw it away.He screwed the letter up into a ball and threw it away.
Answer:
A screw is a mechanism that converts rotational motion to linear motion, and a torque (rotational force) to a linear force. It is one of the six classical simple machines. The most common form consists of a cylindrical shaft with helical grooves or ridges called threads around the outside.
Explanation: