Answer to Question #210168 in Physics for MEGALAN A/L RAJEND

Question

(a) Laila went to the Big Bang concert and luckily, she has a chance to meet the singer backstage. She brought a present box with a mass of 3.5 kg and passed the present on their make-up desk with a force of 38 N. She found that the desk position is slightly inclining upward about 110 to the horizontal. She also noticed that the desk was not smooth and possibly the desk has a coefficient of kinetic friction,μk around 0.11. (i)Draw free body diagram and find the normal forces on the present. (iii)Calculate the acceleration of the present as Laila pushes the present on the desk.

Answer 1

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