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Grade: 12
        

A block of mass 5 kg is kept on a rough horizontal
surface (μ = 0.5). The block can be pulled
horizontally by an unknown force. The contact
force between the surface and block can be : (Force
is acting horizontally)
(A) 50 N (B) 25 N
(C) 75 N (D) 52 N

8 years ago

Answers : (3)

vikas askiitian expert
509 Points
							

normal  reaction = mg = 5*10 = 50N

option A) should be correct..

8 years ago
ramendra bahadur singh
31 Points
							

as the mass is to be pulled upward so the minimum force required is equal to the weight of body                    w=mg        =>           w=F     F=5*9.8=49N        OR          F=5*10=50N        HENCE OPTION (A) IS CORRECT

8 years ago
sourabh singh
18 Points
							

75

8 years ago
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Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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