Answer to Question #182854 in Physics for adrixyla

Question

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 11° 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 force exerted on the present.

(ii) Determine the net horizontal 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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