Kwintshukumo yendlela enye kumyinge omnye, oku kubonakaliswa ngendlela yonxaki njenge W = Fd cos θ, apho uW asebenza khona, F bubukhulu bamandla kwinkqubo, d ubungakanani bokufuduswa kwenkqubo, kwaye θ yi-engile phakathi kwevektha yamandla F kunye nevektha yokufuduswa d. …imizekelo yomsebenzi.
Ngokufanayo, i-PE ilinganiswa ngantoni? Iyunithi esemgangathweni yokulinganisa amandla anokubakho ijoule, elishunqulelwe ngokuthi “J.”
Yintoni u-F kwi-W FD? Singabala ngokuthe ngqo ukuba ungakanani umsebenzi owenziweyo ngokusebenzisa le fomula ilandelayo: W = Fd. apho uW esebenza khona, F ngamandla, kwaye d kukufuduswa.
Ndiyihlengahlengisa njani i-FD yam?
Okwesibini Uyisombulula njani i-PWT?
Ubala njani i-kinetic kunye namandla anokubakho?
emva koko Uwubala njani umsebenzi owenziweyo? Umsebenzi unokubalwa nge-equation: Umsebenzi = Ukunyanzeliswa × Umgama. Iyunithi ye-SI yomsebenzi yijoule (J), okanye iNewton • imitha (N • m). Ijowuli enye ilingana nobungakanani bomsebenzi owenziweyo xa i-1 N yamandla ihambisa into kumgama we-1 m.
Uwabala njani amandla oomatshini? Ukukwazi kwento ukwenza umsebenzi kulinganiswa ngamandla omatshini, okanye isimbuku samandla ekinetiki wento kunye namandla anokubakho. Amandla omatshini kungenxa yokuma okanye intshukumo yento. Ifomula yamandla oomatshini yile amandla oomatshini = amandla ekinetic + amandla anokubakho.
Yintoni i-g kwi-F MG?
F=mg lilizwi wamandla womxhuzulane, kwaye F ngamandla omxhuzulane, “m” bubunzima, kwaye u”g” kukunyuka kwamandla omxhuzulane… ifomula isekelwe kumthetho wesibini kaNewton kwaye isetyenziselwa ukubala isantya into efikelela ngayo emhlabeni. nakwimithambo yomzimba.
Yintoni u-K kwi-F KX? F=−kx. apho: x kukufuduswa kwesiphelo sentwasahlobo ukusuka kwindawo elinganayo (umgama, kwiiyunithi ze-SI: iimitha); F ngamandla okubuyisela asetyenziswa sintwasahlobo kwelo cala (kwiiyunithi ze-SI: N okanye kg m/s2); kwaye. k yinto eqhubekayo ebizwa izinga okanye intwasahlobo engaguqukiyo (kwiiyunithi ze-SI: N/m okanye kg/s2).
Yintoni unxantathu kunye nefiziksi?
• AT ukuhanjiswa kwamandla kuthetha ukuba utshintsho lwamandla (ΔE) luyenzeka. • Ikwabonisa ukuba amandla kunye nokufuduswa kuyenzeka.
Yintoni i-P kwi-P IV? P=IV. Amandla ombane (P) na ngokulula imveliso yamaxesha ombane. Amandla aneeyunithi eziqhelekileyo zeewatts. Ekubeni iyunithi ye-SI yamandla anokubakho (PE) yijoule, amandla aneeyunithi zejoules ngesekhondi, okanye iiwatts.
Yintoni i-P kwi-PW t?
Ngokwezibalo, ibalwa kusetyenziswa le equation ilandelayo. Amandla = Umsebenzi / ixesha. igolide. P=W/t. Iyunithi yemetric eqhelekileyo yamandla yiWatt.
Uyisombulula njani amandla?
Ukufunda iFormula. Phindaphinda-phinda ubunzima amaxesha ukukhawulezisa. Unyanzeliso (F) olufunekayo ukususa into enobunzima (m) ngesantya (a) lunikwa ngefomula F = mx a. Ngoko, amandla = ubunzima buphindaphindwe ngokukhawuleziswa.
Uyiguqula njani i-KE kwi-PE? PE = KE v = 4.6 m / sec ubude buhlala bungumgama othe nkqo (akunyanzelekanga ukuba umgama uwonke umzimba ungawuhamba) phakathi kwendawo yokuqala kunye neyona ndawo iphantsi yokuwa. Phantse zonke iinkqubo zoomatshini ziquka ukutshintshiselana kwamandla phakathi kwe-kinetic kunye neefom ezinokwenzeka kunye nomsebenzi.
Yintoni ifomula yamandla ekinetic? Amandla eKinetic: K = 1 2 ⋅ m ⋅ v 2 umbhalo{Amandla eKinetic: } K=frac{1}{2}cdot mcdot v^2 Amandla eKinetic: K=21⋅m⋅v2. Ngaphandle koko, umntu unokuthi utshintsho lwamandla e-kinetic lulingana nomsebenzi womnatha owenziwe kwinto okanye kwinkqubo.
Uwubala njani umsebenzi ngaphandle kwamandla?
Ukuba 'uMkhosi oQhelekileyo' uthetha amandla axhomekeke kumphezulu (wentshukumo ecetywayo), umzimba awusayi kushukuma kwaye umsebenzi owenziweyo nguZiro. Ukuba amandla "F" asetyenziswa kwi-engile "alpha" kumphezulu, kwaye umzimba uhamba umgama "L" kuloo ndawo, umsebenzi owenziweyo uya kuba: W=F*L*cos(alpha).
Yintoni i-9.8 ms2? Iti ubukhulu besantya esibangelwa ngumxhuzulane, echazwe ngetyala elisezantsi g, yi-9.8 m/s2. g = 9.8m/s2. Oku kuthetha ukuba yonke isibini into ikwi-free fall, i-gravity iya kubangela ukuba isantya sento sinyuke nge-9.8 m / s. Ngoko ke, emva komzuzwana omnye, into ihamba nge-9.8 m/s.
Yintoni intsingiselo ye-m S²?
ukukhawuleza. Uphawu. Nksk2. The imitha ngesekhondi ephindwe kabini yinxalenye yesantya kwiNkqubo yeeYunithi zaMazwe ngaMazwe (SI). Njengeyunithi efunyenweyo, iqulunqwe kwiiyunithi zesiseko ze-SI zobude, imitha, kunye nexesha, okwesibini.
Ithetha ukuthini i-FN kwifiziksi? FN nguye amandla aqhelekileyo. Njengoko kuboniswa yi-equation, eneneni ngamandla aqhelekileyo, kungekhona ubunzima, abangela ukukhuhlana.
Kutheni i-KX i-negative?
Kutheni kukho i-negative ku F =- kx? … Iti ulungelelwaniso lokufuduswa x alulunganga xa intwasahlobo icinezelwe, zero xa intwasahlobo ibubude bendalo, kwaye x ilungile xa intwasahlobo yandisiwe. Xa intwasahlobo ixinzelelwe u-x ayilunganga kwaye amandla okubuyisela alungileyo F ayafuneka ukuwandisa.
Yintoni isiqingatha seKX Square? Umsebenzisi wengqondo. Impendulo: Umsebenzi owenziwe kwisistim ulingana nommandla ophantsi kwegrafu okanye ummandla wonxantathu, osisiqingatha sesiseko sawo siphindaphindwe ngokuphakama kwawo, okanye W=12kx2 W = 1 2 kx2 .
Ngawaphi amazwe anomthetho weHooke?
Ngokwezibalo, umthetho kaHooke uthi amandla asetyenziswayo F alingana no-k ngamaxesha okufuduswa okanye utshintsho kubude x, okanye F = k x. … Umthetho kaHooke uchaza iipropathi ezinwebekayo zemathiriyeli kuphela kuluhlu apho amandla kunye nokufuduswa kuthelelwano.