アズリラ-chan
alireza naderi
work = force x distance×cosine(the angle between force and movement directions)


work = force x distance×cosine(the angle between force and movement directions)


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Mamad one shot Mar 19, 2020 @ 10:51pm 
:2019love: 🌹💚 NowRuz 1399 Mobarak, Omidvaram Sale Khubi Dashte Bashin dostan💚🌹 :2019love: