A) 300 N
B) 400 N
C) 500 N
D) 600 N
Correct Answer: C
Solution :
The coefficient of friction \[=0.8,\,g=10\,m/{{s}^{2}},mass=40\,kg\] The frictional force \[=\mu N\] Hence, \[\mu N=mg\Rightarrow N=\frac{mg}{\mu }\] \[=\frac{40\times 10}{0.8}=5000\,N\]You need to login to perform this action.
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