Problem

Jacob is now 12 years younger than Michael. If 9 …

Problem 10 Hard Difficulty

A student presses a 0.5 $\mathrm{kg}$ book against the wall. If the $\mu_{\mathrm{s}}$ between the book and the wall is $0.2,$ what force must the student apply to hold the book in place?
(A) $\mathbf{O} \mathbf{N}$
(B) 15 $\mathbf{N}$
(C) 25 $\mathbf{N}$
(D) 35 $\mathbf{N}$

Answer

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Cracking The AP Physics 1 Exam

Chapter 4

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Video Transcript

in order to hold the book on its place. Their summer forces in effects, um, should be called to zero. So if x forces we airy's a normal force Oh, so that is equal to the force applied. Where is the subtle forces and why direction we have here is the force of friction that should be equal to, um, British in force. So, um, force of friction can During today's the coefficient of friction times and the normal force, F g is simply the latest. So then substituting those values we find a normal force Here is the moss is 0.5 Zurich 15 times 10 bye coefficient of friction. Don't do this. Use us. The force normalise 25. So sees, right, end off the problem. Thank you for what you

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Problem

Jacob is now 12 years younger than Michael. If 9 …

Problem 10 Hard Difficulty

A student presses a 0.5 $\mathrm{kg}$ book against the wall. If the $\mu_{\mathrm{s}}$ between the book and the wall is $0.2,$ what force must the student apply to hold the book in place?
(A) $\mathbf{O} \mathbf{N}$
(B) 15 $\mathbf{N}$
(C) 25 $\mathbf{N}$
(D) 35 $\mathbf{N}$

Answer

Related Courses

Cracking The AP Physics 1 Exam

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Discussion

Top Educators

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Princeton Review

Cracking The AP Physics 1 Exam

Cracking The AP Physics 1 Exam

Princeton ReviewCracking The AP Physics 1 Exam

Princeton Review

Cracking The AP Physics 1 Exam