MPSC Rajyaseva 2014 GS Paper 1 — Question 53
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जर एखादी जड वस्तु क्षितिज समांतर दिशेने गुळगुळीत पृष्ठभागावरून ओढली, तर त्या वस्तुवर क्रिया करणारे बल खालीलप्रमाणे असेल. / If a heavy load is pulled along a smooth horizontal surface, then the force acting on the load may be :
(a)क्षितिज समांतर दिशेने प्रयुक्त केलेले बल / The applied force in the horizontal direction.
(b)लंबरूपी अधोगामी दिशेने क्रिया करणारे गुरूत्वीय बल / The force of gravity acting on the load vertically downwards.
(c)स्थानांतराच्या विरुद्ध दिशेने कार्य करणारे घर्षण बल / The force of friction acting in the horizontal direction opposite the motion.
(d)उर्ध्वगामी दिशेने कार्य करणारे प्रतिक्रिया बल / Reaction force due to the horizontal surface.
When a heavy load is pulled horizontally on a smooth surface, all four forces act on it: applied horizontal force, vertical downward gravitational force, opposing frictional force, and upward normal reaction force.
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