A boy of mass 40 kg is climbing a vertical pole at a constant speed. If the coefficient of friction between his palms and the pole is 0.8 and $g = 10 ms^{- 2}$ , the normal force that he is applying on the pole is :
Options:
Answer:
C
Solution:
$mg = μ N$
$400 = 0.8 N N = 500$

Question

A boy of mass 40 kg is climbing a vertical pole at a constant speed. If the coefficient of friction between his palms and the pole is 0.8 and $g = 10 ms^{- 2}$ , the normal force that he is applying on the pole is :

Options:

Answer:

C

Solution:

$mg = μ N$

$400 = 0.8 N N = 500$

TestHub · Accepted Answer

mg = μ N ​ 400 = 0.8 N N = 500 ​

Physics - NLM Question with Solution | TestHub

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