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Problem#2 (10 points): A box of mass 7.5 kg is accelerating from rest along a horizontal plane when it is pulled by 15 N hori
of the force 18 N to the horizontal. (h) The angle at which the friction force reaches its maximum value. 18 N 30 deg 15 N 7.
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Answer #1

N Free body diagram :- ay roi = 7.5 kg 718N →a -0.32 30 ISN Ft ng b) for the equilibrium of block iu vertical direction N +18

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