Abdul rafay on Nearpeer MDCAT Common Room
During the drilling of a metal surface, the drill bit heats up. This heat comes from the: A. Work done on the tool B. Vibration of atoms C. Flow of electric current D. Due to friction
Eman · 2026-07-22T11:16:11.060Z
D
Ruqia · 2026-07-22T11:16:11.871Z
D: Due to friction
Benazeer Khan · 2026-07-22T11:20:48.161Z
Friction
Fairy · 2026-07-22T11:11:03.933Z
D: Due to friction
saimbhutta · 2026-07-22T11:16:03.998Z
No due to flow of electric current
Fairy · 2026-07-22T11:19:26.496Z
mechanical work ki wajah se friction generate hoti hai jo heat produce karta hai, especially drilling jsi processes mein so opt d is correct