The formula for this problem that we will be using is:
F * cos α = m * g * μs where:F = 800m = 87g = 9.8
cos α = m*g*μs/F= 87*9.8*0.55/800= 0.59 So solving the alpha, find the arccos above.
α = arccos 0.59 = 54 ° is the largest value of alpha
The answer is a because it never needs to be insulated
<span>Discrimination is illegal, but caste system is legal.
So answer: False</span>
Answer:
the ans will be because it has 1.672