Umehluko phakathi kwamandla e-kinetic kanye namandla angase abe khona

Isingeniso

Emhlabeni Ngokomzimba, kunezinhlobo ezimbili zamandla ayisisekelo: amandla e-kinetic namandla angaba khona. Yomibili imiqondo ibalulekile ukuqonda ukunyakaza kwezinto kanye nokusebenzisana kwazo emhlabeni osizungezile.

Amandla we-Kinetic

Amandla e-kinetic amandla into enyakazayo. Inani lamandla e-kinetic into enayo lincike kubukhulu bayo nesivinini. Ifomula yokubala amandla e-kinetic ithi:

Amandla e-Kinetic = 1/2 x mass x velocity isikwele
Le fomula ibonisa ukuthi amandla e-kinetic ahlobene kanjani ngqo nesivinini kwento. Uma uhamba ngokushesha, uzoba namandla e-kinetic engeziwe.

Isibonelo:

Imoto enesisindo esingu-1000 kg ihamba ngesivinini esingu-50 km/h. Amandla we-kinetic wemoto angabalwa ngale ndlela elandelayo:

Amandla e-Kinetic = 1/2 x 1000 kg x (50 km/h)^2 = 625,000 J

Amandla angaba khona

Amandla angaba khona amandla agcinwe entweni ngenxa yokuma noma ukucushwa kwayo. Kunezinhlobo ezimbalwa zamandla angaba khona, njengamandla adonsela phansi namandla anwebekayo.

Amandla adonsela phansi amandla agcinwe entweni lapho isendaweni ephakeme. Ifomula yokubala amandla anamandla adonsela phansi yileli:

Amandla adonsela phansi anamandla = isisindo x amandla adonsela phansi x ukuphakama
Lapho ubukhulu buyisisindo sento, amandla adonsela phansi ukusheshisa ngenxa yamandla adonsela phansi (9.8 m/s^2), futhi ubude buwubude into ekubo.

Isibonelo:

Into enesisindo esingu-10 kg iphakeme ngamamitha angu-5. Amandla adonsela phansi anamandla ento angabalwa kanje:

Amandla adonsela phansi anamandla = 10 kg x 9.8 m/s^2 x 5 m = 490 J

Umehluko phakathi kwamandla e-kinetic namandla angaba khona

• Amandla e-kinetic angamandla anyakazayo, kuyilapho amandla angaba khona amandla agcinwe endaweni ephakeme.
• Amandla e-kinetic ancike kusisindo nesivinini sento, kuyilapho amandla angaba khona ancike ekuphakameni nasekumisweni kwento.
• Amandla e-kinetic angadluliswa esuka entweni eyodwa aye kwenye ngokushayisana, kuyilapho amandla angaba khona angaguqulwa abe amandla e-kinetic kuphela lapho into ishintsha indawo yayo.

Isiphetho

Kafushane, amandla e-kinetic namandla angaba khona yizinhlobo ezimbili zamandla ezihlukene ezitholakala emhlabeni wenyama. Yomibili imiqondo ibalulekile ekuqondeni ukunyakaza kwezinto, ukuthi zixhumana kanjani, nokuthi singawasebenzisa kanjani la mandla ukuze sizuze. Ukuqonda lo mehluko kusivumela ukuthi siqonde kangcono umhlaba osizungezile futhi mhlawumbe sithole izindlela ezintsha zokusebenzisa amandla esikhathini esizayo.