If we apply oil on door hinges, the friction will
(a) increase (c) disappear altogether
(b) decrease (d) will remain unchanged
+91 94284 01196 (WhatsApp only)
C-15, Suvidhapark Society, Amitnagar circle, Karelibaug, Vadodara (390018)
© Copyright 2025. Doubtora. All Rights Reserved
