Asked by Michael
A physics student is pulling on a 20 kg box that is sliding on the floor. The student applies a pulling force of 100 N using a rope at angle 30o
from the horizontal. The coefficient of kinetic friction between the box and the floor is 0.4. The acceleration of the box is closest to?
from the horizontal. The coefficient of kinetic friction between the box and the floor is 0.4. The acceleration of the box is closest to?
Answers
Answered by
Elena
ma=Fcosα-F(fr)
F(fr) =μmg
a= (Fcosα- μmg)/m
F(fr) =μmg
a= (Fcosα- μmg)/m
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