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Question Number 18918 by Tinkutara last updated on 01/Aug/17

$$\mathrm{A}\mathrm{bird}\mathrm{sits}\mathrm{on}\mathrm{a}\mathrm{stretched}\mathrm{telegraph}$$$$\mathrm{wire}.\mathrm{The}\mathrm{additional}\mathrm{tension}\mathrm{produced}$$$$\mathrm{in}\mathrm{the}\mathrm{wire}\mathrm{is}$$$$\left(1\right)\mathrm{Zero}$$$$\left(2\right)\mathrm{Greater}\mathrm{than}\mathrm{weight}\mathrm{of}\mathrm{the}\mathrm{bird}$$$$\left(3\right)\mathrm{Less}\mathrm{than}\mathrm{the}\mathrm{weight}\mathrm{of}\mathrm{the}\mathrm{bird}$$$$\left(4\right)\mathrm{Equal}\mathrm{to}\mathrm{the}\mathrm{weight}\mathrm{of}\mathrm{the}\mathrm{bird}$$

Commented by tawa tawa last updated on 02/Aug/17

$$\mathrm{I}\mathrm{appreciate}\mathrm{sir}.\mathrm{God}\mathrm{bless}\mathrm{you}.$$

Commented by tawa tawa last updated on 02/Aug/17

$$\mathrm{But}\mathrm{sir}.\mathrm{can}\mathrm{you}\mathrm{tell}\mathrm{me}\mathrm{how}\mathrm{i}\mathrm{can}\mathrm{use}\mathrm{it}\mathrm{to}\mathrm{sketch}\mathrm{the}\mathrm{images}\mathrm{above}.\mathrm{i}\mathrm{cant}$$$$\mathrm{find}\mathrm{hint}\mathrm{in}\mathrm{the}\mathrm{application}.\mathrm{just}\mathrm{tell}\mathrm{me}\mathrm{the}\mathrm{procdure}\mathrm{sir}.\mathrm{i}\mathrm{will}\mathrm{try}\mathrm{using}$$$$\mathrm{it}.\mathrm{sorry}\mathrm{for}\mathrm{disturbing}\mathrm{sir}.\mathrm{God}\mathrm{bless}\mathrm{you}.$$

Commented by Tinkutara last updated on 01/Aug/17

$$\mathrm{Thanks}\mathrm{Sir}!\mathrm{I}\mathrm{understood}.$$

Commented by ajfour last updated on 01/Aug/17

Commented by Tinkutara last updated on 01/Aug/17

$$\mathrm{So}\mathrm{it}\mathrm{should}\mathrm{be}\left(3\right)?$$

Commented by ajfour last updated on 01/Aug/17

$$\mathrm{no}\mathrm{i}\mathrm{cant}\mathrm{say}\mathrm{right}\mathrm{now}..\mathrm{i}\mathrm{have}$$$$\mathrm{just}\mathrm{attached}\mathrm{an}\mathrm{image}..$$$$\mathrm{what}\mathrm{about}\mathrm{Q}.18892,\mathrm{i}\mathrm{got}1000.$$

Commented by ajfour last updated on 01/Aug/17

$$\mathrm{If}\mathrm{initial}\mathrm{tension}\mathrm{is}\mathrm{zero}.$$$$\mathrm{then}2△\mathrm{Tsin}△\theta =\mathrm{mg}$$$$△\mathrm{T}=\frac{\mathrm{mg}}{2\sin △\theta }$$$$\mathrm{very}\mathrm{naturally}\mathrm{if}△\theta <30°$$$$\Rightarrow △\mathrm{T}=\frac{\mathrm{mg}}{2\sin △\theta }>\mathrm{mg}.$$$$$$

Commented by tawa tawa last updated on 01/Aug/17

$$\mathrm{Sir}.\mathrm{please}\mathrm{did}\mathrm{you}\mathrm{draw}\mathrm{the}\mathrm{image}\mathrm{with}\mathrm{touch}\mathrm{and}\mathrm{draw}?\mathrm{or}\mathrm{another}$$$$\mathrm{application}.\mathrm{please}\mathrm{tell}\mathrm{me}\mathrm{the}\mathrm{name}\mathrm{sir}.\mathrm{i}\mathrm{love}\mathrm{it}.$$

Commented by ajfour last updated on 01/Aug/17

$$\mathrm{Lekh}\mathrm{Diagram}$$

Commented by tawa tawa last updated on 03/Aug/17

$$\mathrm{Ha}\overline{\mathrm{a}}\mathrm{summarize}\mathrm{it}\mathrm{for}\mathrm{me}\mathrm{sir}.$$

Commented by ajfour last updated on 03/Aug/17

$$\mathrm{double}\mathrm{tap}\mathrm{to}\mathrm{type}\mathrm{text}.\mathrm{after}\mathrm{you}$$$$\mathrm{have}\mathrm{typed}\mathrm{it}\mathrm{you}\mathrm{can}\mathrm{move}\mathrm{it}$$$$\mathrm{change}\mathrm{size}\mathrm{color}\mathrm{font}\mathrm{group}\mathrm{them}$$$$\mathrm{rotate}\mathrm{them}\mathrm{and}\mathrm{copy}\mathrm{them}\mathrm{or}$$$$\mathrm{entirely}\mathrm{delete}\mathrm{it}.$$

Commented by tawa tawa last updated on 03/Aug/17

$$\mathrm{Sir}\mathrm{ajfour}.\mathrm{please}\mathrm{how}\mathrm{can}\mathrm{i}\mathrm{type}\mathrm{and}\mathrm{draw}\mathrm{as}\mathrm{you}\mathrm{do}\mathrm{above}.$$

Commented by ajfour last updated on 03/Aug/17

$$\mathrm{pretty}\mathrm{long}\mathrm{story}..$$

Commented by tawa tawa last updated on 03/Aug/17

$$\mathrm{I}\mathrm{have}\mathrm{tried}\mathrm{it}\mathrm{sir}\mathrm{and}\mathrm{i}\mathrm{got}\mathrm{it}.\mathrm{God}\mathrm{bless}\mathrm{you}\mathrm{sir}.$$

Commented by tawa tawa last updated on 03/Aug/17

$$\mathrm{Sir}\mathrm{it}\mathrm{remain}\mathrm{the}\mathrm{drawing}\mathrm{sir}.\mathrm{Hint}\mathrm{me}\mathrm{how}\mathrm{to}\mathrm{draw}\mathrm{sir}.\mathrm{like}\mathrm{you}\mathrm{drew}\mathrm{bird}$$$$\mathrm{and}\mathrm{the}\mathrm{man}\mathrm{climbing}.\mathrm{i}\mathrm{will}\mathrm{grab},\mathrm{just}\mathrm{summarise}\mathrm{that}\mathrm{aspect}\mathrm{too}.$$

Commented by ajfour last updated on 03/Aug/17

$$\mathrm{i}\mathrm{simply}\mathrm{scribbled}\mathrm{them}\mathrm{big}\mathrm{and}$$$$\mathrm{reduced}\mathrm{the}\mathrm{size}.$$

Commented by tawa tawa last updated on 03/Aug/17

$$\mathrm{Alright}\mathrm{sir}.\mathrm{i}\mathrm{really}\mathrm{appreciate}.\mathrm{God}\mathrm{bless}\mathrm{you}\mathrm{sir}.$$

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