बल र उर्जा सम्बन्धि अति महत्वपुर्ण कुराहरु एक पटक अबश्य पढ्नुहोला

बल र उर्जा सम्बन्धि अति महत्वपुर्ण कुराहरु एक पटक अबश्य पढ्नुहोला 

kf7 M an / pmhf{ 

!= kf7\o j:t'

u'?Tjfsif{0f / u'?Tj an, u'?Tj k|j]u, tf}n / lk08 :jtGq v;fO, tf}n ljxLgtf, gjLs/0fLo / cgjLs/0fLo pmhf{, pmhf{ ;ª\s6 / pmhf{ art .

@= hfGg} kg]{ s'/fx¿ M

• s'g}klg @ cf]6f lk08x¿ lar Ps lk08n] csf]{nfO{ cfsif{0f ug]{ an /x]sf] x'G5 . ;f] u'0fnfO{ u'?Tjfsif{0f an  elgG5 .

l:y/ cj:yfdf /x]sf] j:t'nfO{ rfndf Nofpg] jf ultzLn cj:yfdf /x]sf] j:t'nfO{ l:y/cj:yfdf Nofpg vf]Hg] r]i6fnfO{ g} an elgG5 . an gfKg] PsfO Go'6g xf] .

olb b'O{ j:t'x¿dWo]sf] Pp6f j:t' s'g} cfsfzLo lk08 eof] eg] ltgLx¿larsf] tfGg] annfO{u'?Tjanm elgG5 . u'?Tjfsif{0f / u'?Tjan b'j}nfO{ Go'6g PsfOdf gflkG5 .

u'?Tj ann] ubf{ k[YjLdf v:g] k|To]s j:t'df k|j]u pTkGg e}/x]sf] x'G5 pSt k|j]unfO{ g}u'?Tj k|j]u  elgG5 .

s'g} b'O{ j:t'x¿lar pTkGg x'g] u'?Tjfsif{0f an tL j:t'sf lk08sf] u'0fgkmn;Fu ;dfg'kfltx'G5 eg] tL j:t'x¿sf] s]Gb|x¿ larsf] b"/Lsf] ju{;Fu Jo'tj|mdfg'kfltsx'G5 . o;} lgodnfO{ Go'6gsf] u'?Tjfsif{0f ;DaGwL ljZjJofkL lgod  elgG5 . h;nfO{  F α m₁ m₂/d² n] ;d]t hgfpg ;lsG5 . hxfF m₁/m₂ b'O{ j:t'x¿sf lk08x¿ x'g eg] 'd' tLb'O{ j:t'x¿ larsf] s]Gb|Lo b"/L xf] .

j:t'df /x]sf] s'n kbfy{sf] kl/df0fnfO{ lk08  elgG5 . lk08nfO{ gfKg] PsfO lsnf]u|f xf] . lk08 7fpF cg';f/ km/skm/s x'Fb}g .

j:t'sf] lk08 / u'?Tj k|j]usf] u'0fgkmn g} To; j:t'sf] tf}n xf] . tf}n 7fpF cg';f/km/skm/s x'G5 . tf}nnfO{ klg Go'6g PsfO d} gflkG5 .

u'?Tjfsif{0f If]qleq lagf s'g} cj/f]w :jtGq ¿kn] j:t' v:g'nfO{ :jtGq v;fO elgG5 . :jtGq v;fOsf a]nfdf j:t'df pTkGg k|j]u / To; 7fpFsf] u'?Tj k|j]u ;w} a/fa/ x'G5 .

:jtGq v;fOsf ;dodf j:t'df tf}n z"Go /xG5 . o:tf] cj:yfnfO{ g} tf}n ljxLgtf elgG5 .u'?Tjfsif{0f cr/dfg hlxn] klg 6.67x10-11 Nm2/kg2  x'G5 .

ul0ftLo ;dfwfgsf nflu ;"qx¿ M

u'?Tjfsif{0f an

F = Gm₁ m₂/d₂

hxfF,

G= u'?Tjfsif{0f cr/dfg

m1= s'g} Ps j:t'sf] lk08

m2= csf]{ j:t'sf] lk08

d= b'O{ j:t'x¿ larsf] s]Gb|Lo b"/L

F= u'?Tjfsif{0f an

k[YjLsf] ;txaf6 prfO a9]df u'?Tj an jf tf}n W₁ = GMm/ (R+h)²

=

hxfF,

G= u'?Tjfsif{0f cr/

M= u|xsf] lk08

m= j:t'sf] lk08

R= u|xsf] cw{Jof;

h= k[YjLsf] ;txaf6 prfO

u'?Tj k|j]u g = GM/ R²

hxfF,

G= u'?Tj u'?Tjfsif{0f cr/

M= u|xsf] lk08

R= u|xsf] cw{Jof;

tf}nsf] nflu j}slNks ;"q

j:t'sf] tf}n (W) = mg

hxfF,

g= u'?Tj k|j]u

m= j:t'sf] lk08

• sfo{ ug{ ;Sg] IfdtfnfO{ pmhf{ elgG5 .

• pmhf{ kfpg ;lsg] ;|f]tnfO{ pmhf{sf ;|f]t elgG5 pmhf{sf ;|f]tx¿ k|fo k|s[lt d} kfOG5g\ . ;"o{ pmhf{sf] k|d'v ;|f]t xf] . ljZjdf vkt x'g] pmhf{sf] #% k|ltzt pmhf{ cfk'lt{ vlgh t]naf6 x'G5 .ljZjdf pkof]u x'g] pmhf{sf] @& k|ltzt pmhf{ sf]Onfaf6 k|fKt x'G5 .pmhf{af6} snsf/vfgf, oftfoftsf ;fwg, cGo pkof]lu ;fwg, l6=le, sDKo'6/ h:tf ;fwgx¿;~rfngdf Nofpg ;lsG5 .

• 5f]6f] ;dodf k'lg pTkfbg ug{ ;lsg] jf slxNo} gl/lTtg] pmhf{sf] ;|f]tnfO{ gjLs/0fLo pmhf{sf] ;|f]t

elgG5 . h:t}M ;f}o{ zlSt, afof]df;, xfjf cflb .

• pmhf{sf] ;|f]tsf] k|of]u ub}{ hfFbf pmhf{ l/lTtPkl5 t'?Gt} cfk"lt{ ug{ g;lsg] pmhf{sf] ;|f]tnfO{cgjLs/0fLo pmhf{;|f]t elgG5 . h:t} M sf]Onf, vlgh t]n, k|fs[lts Uof; cflb .

• cgjLs/0fLo pmhf{sf] vktnfO{ Go'gLs/0f ug{ k|of]u ul/g] gjLs/0fLo pmhf{sf] ;|f]tnfO{ pmhf{sf]j}slNks ;|f]t elgG5 .

• bfp/f, afof]df;, afof] Uof;, k/fn, 5\jfnL, e"; cflbnfO{ h}ljs pmhf{ klg elgG5 .

• kf/df0fljs k|ltlj|mof u/fO pmhf{ pTkfbg ul/g] pmhf{nfO{ Go"lSno/ pmhf{ elgG5 .

• e";, sf7sf] w"nf], 5\jfnLsf 6'j|mfx¿ u'OF7f, d]l;gn] vfFb]/ agfOPsf] 6'j|mfnfO{ afof]df;elgG5 .

• ;d'b|df pTkGg x'g] Hjf/af6 ljb\o't pTkfbg u/L jf cGo tl/sfn] pkof]u ul/g] pmhf{nfO{ Hjf/pmhf{ elgG5.

• jfo'åf/f zlSt pTkfbg u/L pkof]u ul/g] pmhf{nfO{ jfo' pmhf{ elgG5 . of] gjLs/0fLo pmhf{ xf] .

• k[YjLsf] leqL efudf cToGt tftf] /x]sf]n] pSt tfkåf/f pmhf{ k|fKt u/L pkof]u ul/g] pmhf{nfO{ lhof]yd{n pmhf{ elgG5 .

• gjLs/0fLo pmhf{sf] ;|f]t eg]sf] o:tf] ;|f]t xf] hxfF pmhf{ l/lTtPkl5 To;sf] k'g:yf{kg t'?Gt} ug{ ;lsG5 . h:t} M hnljb\o't pmhf{, jfo' pmhf{, ;f}o{ pmhf{, 5fn pmhf{ cflb .

• pmhf{sf] ;|f]tnfO{ ldtJooL / ljj]sk"0f{ 9ª\un] k|of]u ug'{kb{5 . pmhf{sf] gjLs/0fLo pmhf{ a9L pkof]u u/L j}slNks ;|f]tsf] ljsf; / pkof]u ug'{kb{5 . pmhf{ k|of]u;DaGwL cfk'mn] hfg]sf] s'/f c¿nfO{ ;d]t hfgsf/L u/fO pkof]u ug'{kb{5 . dfly plNnlvt pkfo cjnDjg u/L pmhf{ ;+/If0f

ug{ ;lsG5 .

• gjLs/0fLo pmhf{sf] k|of]u, jt{dfg pmhf{sf] sd pkof]u, ldtJooL / ljj]sk"0f{ pkof]u u/L pmhf{sf] j}slNks ;|f]tx¿sf] ljsf; u/L pkof]u u/]df eljiodf pmhf{;ª\s6 ef]Ug' kb}{g .

• ;"o{df kof{Kt dfqfdf xfO8«f]hg x'g', k|z:t tfk x'g' / k|z:t rfk x'g'n] xfO8«f]hgsf :jtGq k|f]6f]gx¿ lgdf{0f eO{ lxlnod k/df0f'x¿sf] lgdf{0f x'G5 / o;/L g} k\mo"hg x'g] ub{5 .

• hnljb\o't Ps gjLs/0fLo, k|b'if0f /lxt, ax'pkof]uL, ;:tf] / k|of]u ug{ ;lhnf] j}slNks pmhf{sf] ;|f]t xf] .

• ;Dk"0f{ k|f0fLx¿ hLljt /xg ltgLx¿sf] z/L/nfO{ pmhf{sf] cfjZostf kb{5 eg] ltgLx¿n] ug]{ sfo{sf nflu klg pmhf{ g} rflxG5 .