Ask Question
15 January, 20:24

The block accelerates down the 30 degree incline at 3m/s2. What is the coefficient of friction of these surfaces

+3
Answers (1)
  1. 15 January, 20:52
    0
    Fnet = Fg sin 30 - Ff

    ma = mg sin 30 - mew Fg cos 30

    ma = mg sin 30 - mew mg cos 30

    a = g sin 30 - mew gcos30

    a - g sin 30 = - mew g cos 30

    mew = - (a - g sin30) / (g cos 30)

    mew = - (3m/s2 - 9.81sin30) / (9.81 cos 30)

    mew = 0.22
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “The block accelerates down the 30 degree incline at 3m/s2. What is the coefficient of friction of these surfaces ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers