Asked by Megan
Two blocks each of mass 3.38 kg are fastened to the top of an elevator as in the figure.
(b) If the strings can withstand a maximum tension of 87.8 N, what maximum acceleration can the elevator have before the first string breaks?
(b) If the strings can withstand a maximum tension of 87.8 N, what maximum acceleration can the elevator have before the first string breaks?
Answers
Answered by
Elena
T(max) = 2m(g+a)= 2mg +2ma.
a={T(max)-2mg}/2m = {87.8-2•3.38•9.8}/2•3.38 =3.2 m/s²
a={T(max)-2mg}/2m = {87.8-2•3.38•9.8}/2•3.38 =3.2 m/s²
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