An object of mass 80 kg is pulled on a horizont... - JAMB Physics 2009 Question
An object of mass 80 kg is pulled on a horizontal rough ground by a force of 500 N. Find the coefficient of static friction.
[g = 10 ms-2]
[g = 10 ms-2]
A
0.8
B
0.4
C
1.0
D
0.6
correct option: d
coefficient of friction = (F)/R = (F)/ mg = (500)/80 x 10
= 0.625
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