A boy of mass 40 kg is climbing a vertical pole at a constant speed. If the co–efficient…
Physics · NEET · NTA Exams — Laws of Motion
A boy of mass 40 kg is climbing a vertical pole at a constant speed. If the co–efficient of friction between his palms and the pole is 0.8 and g = 10 m/s, the horizontal force that he is applying on the pole is
- 300 N.
- 400 N.
- 500 N.
- 600 N.
Answer
(B) 400 N.
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