Ƙarfin rikici Gogewa ƙarfi ne da ke hana motsi na abu. Wannan ƙarfin yana aiki tsakanin saman da ke haɗuwa. A cikin wannan batu, ƙarfin gogayya da aka yi nazari a kai ya shafi ƙarfin da ke aiki tsakanin saman da ke haɗuwa guda biyu, kamar gogayya tsakanin tushen tubali da bene, gogayya tsakanin tafin takalma da bene, ko gogayya tsakanin ƙafafun mota da hanya.
Gogewa koyaushe tana aiki akan saman abubuwa masu ƙarfi da suka taɓa juna, koda kuwa suna da santsi sosai. Har ma saman masu santsi suna da ƙarfi sosai a sikelin ƙananan abubuwa.. Idan wani abu ya motsa, waɗannan ƙananan ƙuraje suna kawo cikas ga motsi. A matakin atomic, kumburi a saman abu yana sa ƙwayoyin halitta su kasance kusa da wani saman, ta yadda ƙarfin lantarki tsakanin ƙwayoyin halitta zai iya samar da haɗin sinadarai, a matsayin haɗin kai tsakanin saman abu biyu na abin da ke motsi. Lokacin da wani abu ya motsa, misali lokacin da ka tura littafi a saman teburi, motsin littafin yana fuskantar juriya kuma a ƙarshe ya tsaya. Wannan ya faru ne saboda samuwar da sakin waɗannan ƙuraje.
Idan saman wani abu ya shafa a saman wani, kowane abu yana yin ƙarfin gogayya a kan ɗayan. Gogayya a kan wani abu mai motsi koyaushe yana aiki a akasin alkiblar motsin abin. Bayan hana motsin abin, gogayya na iya haifar da lalacewa da lalacewa. Za mu iya lura da wannan a cikin injunan abin hawa. Misali, lokacin da muka shafa wa injin babur, a zahiri muna son rage gogayya a cikin injin. Idan ba mu shafa masa mai ba, injin zai lalace da sauri. Wannan misali yana ɗaya daga cikin rashin amfanin gogayya da gogayya ke haifarwa.
Nau'ikan Ƙarfin Gogewa
Akwai nau'ikan ƙarfin gogayya guda biyu, wato tsayayye (fs) da kuma motsi (fkƘarfin da ke tsaye yana aiki lokacin da abu ba ya motsi, yayin da ƙarfin motsi yana aiki lokacin da abu ke motsi. Idan ka tura tebur amma teburin bai motsi ba, ƙarfin da ke aiki akan teburin da har yanzu yana da ƙarfi. Akasin haka, lokacin da teburin ke motsi, ƙarfin da ke aiki akan teburin shine gogayya ta motsi. Idan teburin da ke motsi ba a ci gaba da tura shi ba, teburin zai tsaya bayan ya motsa na ɗan lokaci. Teburin yana tsayawa saboda ƙarfin motsi wanda ke hana motsi na teburin.
Shin ka taɓa zamewa a kan wani abu mai santsi? Idan ka zame, ƙarfin da ke tsakanin tafin takalminka ko sandal ɗinka da kuma saman mai santsi shine gogayya ta kinetic. Wannan yayi kama da lokacin da babur ko mota ke tafiya a kan hanya mai danshi da santsi aka birkice har sai ƙafafun sun zame. Lokacin da ƙafafun suka zame, ƙarfin da ke aiki a saman ƙafafun da hanya gogayya ce ta kinetic. Akasin haka, lokacin da kake tafiya, ƙarfin da ke aiki tsakanin tafin takalminka ko sandal ɗinka da ƙasa gogayya ce ta kinetic. Haka kuma, lokacin da ƙafafun ba sa zamewa, ƙarfin gogayya da ke aiki a saman ƙafafun da hanya gogayya ce ta kinetic.
