Question
Question: A box of mass 10 kg slides down a rough inclined plane of inclination 30<sup>0</sup> with uniform sp...
A box of mass 10 kg slides down a rough inclined plane of inclination 300 with uniform speed. The coefficient of kinetic friction in this case is-
A
0.577
B
0.87
C
0.58
D
0.33
Answer
0.577
Explanation
Solution
mg sin q = µk mg cosq; µk = tan q