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Author Question: A book is placed on a chair. Then a videocassette is placed on the book. The floor exerts a normal force (Read 121 times)

s.tung

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on: Aug 1, 2020

Question 1

A block is pushed up a frictionless 30° incline by an applied force as shown. If F = 25 N and M = 3.0 kg, what is the magnitude of the resulting acceleration of the block?



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2.3 m/s2

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4.6 m/s2

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3.5 m/s2

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2.9 m/s2

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5.1 m/s2


Question 2

A book is placed on a chair. Then a videocassette is placed on the book. The floor exerts a normal force

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on all three.

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only on the book.

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only on the chair.

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upwards on the chair and downwards on the book.

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only on the objects that you have defined to be part of the system.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by s.tung on Aug 1, 2020

nital

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Reply #1 on: Aug 1, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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s.tung

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Reply 2 on: Aug 1, 2020
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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