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A-bird-sits-on-a-stretched-telegraph-wire-The-additional-tension-produced-in-the-wire-is-1-Zero-2-Greater-than-weight-of-the-bird-3-Less-than-the-weight-of-the-bird-4-Equal-to-the-weight-of-t




Question Number 18918 by Tinkutara last updated on 01/Aug/17
A bird sits on a stretched telegraph  wire. The additional tension produced  in the wire is  (1) Zero  (2) Greater than weight of the bird  (3) Less than the weight of the bird  (4) Equal to the weight of the bird
$$\mathrm{A}\:\mathrm{bird}\:\mathrm{sits}\:\mathrm{on}\:\mathrm{a}\:\mathrm{stretched}\:\mathrm{telegraph} \\ $$$$\mathrm{wire}.\:\mathrm{The}\:\mathrm{additional}\:\mathrm{tension}\:\mathrm{produced} \\ $$$$\mathrm{in}\:\mathrm{the}\:\mathrm{wire}\:\mathrm{is} \\ $$$$\left(\mathrm{1}\right)\:\mathrm{Zero} \\ $$$$\left(\mathrm{2}\right)\:\mathrm{Greater}\:\mathrm{than}\:\mathrm{weight}\:\mathrm{of}\:\mathrm{the}\:\mathrm{bird} \\ $$$$\left(\mathrm{3}\right)\:\mathrm{Less}\:\mathrm{than}\:\mathrm{the}\:\mathrm{weight}\:\mathrm{of}\:\mathrm{the}\:\mathrm{bird} \\ $$$$\left(\mathrm{4}\right)\:\mathrm{Equal}\:\mathrm{to}\:\mathrm{the}\:\mathrm{weight}\:\mathrm{of}\:\mathrm{the}\:\mathrm{bird} \\ $$
Commented by tawa tawa last updated on 02/Aug/17
I appreciate sir. God bless you.
$$\mathrm{I}\:\mathrm{appreciate}\:\mathrm{sir}.\:\mathrm{God}\:\mathrm{bless}\:\mathrm{you}. \\ $$
Commented by tawa tawa last updated on 02/Aug/17
But sir. can you tell me how i can use it to sketch the images above. i cant  find hint in the application. just tell me the procdure sir. i will try using  it. sorry for disturbing sir. God bless you.
$$\mathrm{But}\:\mathrm{sir}.\:\mathrm{can}\:\mathrm{you}\:\mathrm{tell}\:\mathrm{me}\:\mathrm{how}\:\mathrm{i}\:\mathrm{can}\:\mathrm{use}\:\mathrm{it}\:\mathrm{to}\:\mathrm{sketch}\:\mathrm{the}\:\mathrm{images}\:\mathrm{above}.\:\mathrm{i}\:\mathrm{cant} \\ $$$$\mathrm{find}\:\mathrm{hint}\:\mathrm{in}\:\mathrm{the}\:\mathrm{application}.\:\mathrm{just}\:\mathrm{tell}\:\mathrm{me}\:\mathrm{the}\:\mathrm{procdure}\:\mathrm{sir}.\:\mathrm{i}\:\mathrm{will}\:\mathrm{try}\:\mathrm{using} \\ $$$$\mathrm{it}.\:\mathrm{sorry}\:\mathrm{for}\:\mathrm{disturbing}\:\mathrm{sir}.\:\mathrm{God}\:\mathrm{bless}\:\mathrm{you}. \\ $$
Commented by Tinkutara last updated on 01/Aug/17
Thanks Sir! I understood.
$$\mathrm{Thanks}\:\mathrm{Sir}!\:\mathrm{I}\:\mathrm{understood}. \\ $$
Commented by ajfour last updated on 01/Aug/17
Commented by Tinkutara last updated on 01/Aug/17
So it should be (3)?
$$\mathrm{So}\:\mathrm{it}\:\mathrm{should}\:\mathrm{be}\:\left(\mathrm{3}\right)? \\ $$
Commented by ajfour last updated on 01/Aug/17
no i cant say right now..i have   just attached an image ..  what about Q.18892 , i got 1000.
$$\mathrm{no}\:\mathrm{i}\:\mathrm{cant}\:\mathrm{say}\:\mathrm{right}\:\mathrm{now}..\mathrm{i}\:\mathrm{have}\: \\ $$$$\mathrm{just}\:\mathrm{attached}\:\mathrm{an}\:\mathrm{image}\:.. \\ $$$$\mathrm{what}\:\mathrm{about}\:\mathrm{Q}.\mathrm{18892}\:,\:\mathrm{i}\:\mathrm{got}\:\mathrm{1000}. \\ $$
Commented by ajfour last updated on 01/Aug/17
If initial tension is zero.  then    2△Tsin △θ=mg  △T=((mg)/(2sin △θ))   very naturally if △θ<30°  ⇒  △T=((mg)/(2sin △θ)) >mg .
$$\mathrm{If}\:\mathrm{initial}\:\mathrm{tension}\:\mathrm{is}\:\mathrm{zero}. \\ $$$$\mathrm{then}\:\:\:\:\mathrm{2}\bigtriangleup\mathrm{Tsin}\:\bigtriangleup\theta=\mathrm{mg} \\ $$$$\bigtriangleup\mathrm{T}=\frac{\mathrm{mg}}{\mathrm{2sin}\:\bigtriangleup\theta} \\ $$$$\:\mathrm{very}\:\mathrm{naturally}\:\mathrm{if}\:\bigtriangleup\theta<\mathrm{30}° \\ $$$$\Rightarrow\:\:\bigtriangleup\mathrm{T}=\frac{\mathrm{mg}}{\mathrm{2sin}\:\bigtriangleup\theta}\:>\mathrm{mg}\:. \\ $$$$ \\ $$
Commented by tawa tawa last updated on 01/Aug/17
Sir. please did you draw the image with touch and draw ? or another   application. please tell me the name sir. i love it.
$$\mathrm{Sir}.\:\mathrm{please}\:\mathrm{did}\:\mathrm{you}\:\mathrm{draw}\:\mathrm{the}\:\mathrm{image}\:\mathrm{with}\:\mathrm{touch}\:\mathrm{and}\:\mathrm{draw}\:?\:\mathrm{or}\:\mathrm{another}\: \\ $$$$\mathrm{application}.\:\mathrm{please}\:\mathrm{tell}\:\mathrm{me}\:\mathrm{the}\:\mathrm{name}\:\mathrm{sir}.\:\mathrm{i}\:\mathrm{love}\:\mathrm{it}. \\ $$
Commented by ajfour last updated on 01/Aug/17
Lekh Diagram
$$\mathrm{Lekh}\:\mathrm{Diagram} \\ $$
Commented by tawa tawa last updated on 03/Aug/17
Haa^�  summarize it for me sir.
$$\mathrm{Ha}\bar {\mathrm{a}}\:\mathrm{summarize}\:\mathrm{it}\:\mathrm{for}\:\mathrm{me}\:\mathrm{sir}. \\ $$
Commented by ajfour last updated on 03/Aug/17
double tap to type text.after you  have typed it you can move it  change size color font group them  rotate them and copy them or  entirely delete it.
$$\mathrm{double}\:\mathrm{tap}\:\mathrm{to}\:\mathrm{type}\:\mathrm{text}.\mathrm{after}\:\mathrm{you} \\ $$$$\mathrm{have}\:\mathrm{typed}\:\mathrm{it}\:\mathrm{you}\:\mathrm{can}\:\mathrm{move}\:\mathrm{it} \\ $$$$\mathrm{change}\:\mathrm{size}\:\mathrm{color}\:\mathrm{font}\:\mathrm{group}\:\mathrm{them} \\ $$$$\mathrm{rotate}\:\mathrm{them}\:\mathrm{and}\:\mathrm{copy}\:\mathrm{them}\:\mathrm{or} \\ $$$$\mathrm{entirely}\:\mathrm{delete}\:\mathrm{it}. \\ $$
Commented by tawa tawa last updated on 03/Aug/17
Sir ajfour. please how can i type and draw as you do above.
$$\mathrm{Sir}\:\mathrm{ajfour}.\:\mathrm{please}\:\mathrm{how}\:\mathrm{can}\:\mathrm{i}\:\mathrm{type}\:\mathrm{and}\:\mathrm{draw}\:\mathrm{as}\:\mathrm{you}\:\mathrm{do}\:\mathrm{above}. \\ $$
Commented by ajfour last updated on 03/Aug/17
pretty long story..
$$\mathrm{pretty}\:\mathrm{long}\:\mathrm{story}.. \\ $$
Commented by tawa tawa last updated on 03/Aug/17
I have tried it sir and i got it. God bless you sir.
$$\mathrm{I}\:\mathrm{have}\:\mathrm{tried}\:\mathrm{it}\:\mathrm{sir}\:\mathrm{and}\:\mathrm{i}\:\mathrm{got}\:\mathrm{it}.\:\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir}. \\ $$
Commented by tawa tawa last updated on 03/Aug/17
Sir it remain the drawing sir.  Hint me how to draw sir. like you drew bird  and the man climbing. i will grab ,  just summarise that aspect too.
$$\mathrm{Sir}\:\mathrm{it}\:\mathrm{remain}\:\mathrm{the}\:\mathrm{drawing}\:\mathrm{sir}.\:\:\mathrm{Hint}\:\mathrm{me}\:\mathrm{how}\:\mathrm{to}\:\mathrm{draw}\:\mathrm{sir}.\:\mathrm{like}\:\mathrm{you}\:\mathrm{drew}\:\mathrm{bird} \\ $$$$\mathrm{and}\:\mathrm{the}\:\mathrm{man}\:\mathrm{climbing}.\:\mathrm{i}\:\mathrm{will}\:\mathrm{grab}\:,\:\:\mathrm{just}\:\mathrm{summarise}\:\mathrm{that}\:\mathrm{aspect}\:\mathrm{too}. \\ $$
Commented by ajfour last updated on 03/Aug/17
i simply scribbled them big and  reduced the size.
$$\mathrm{i}\:\mathrm{simply}\:\mathrm{scribbled}\:\mathrm{them}\:\mathrm{big}\:\mathrm{and} \\ $$$$\mathrm{reduced}\:\mathrm{the}\:\mathrm{size}. \\ $$
Commented by tawa tawa last updated on 03/Aug/17
Alright sir. i really appreciate. God bless you sir.
$$\mathrm{Alright}\:\mathrm{sir}.\:\mathrm{i}\:\mathrm{really}\:\mathrm{appreciate}.\:\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir}. \\ $$

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