Three books (X, Y, and Z)rest on a table.The weight of each book is indicated.The net force acting on book Y is:
A)4 N down
B)5 N up
C)9 N down
D)0 N
E)none of these

Name: Three books (X, Y, and Z)rest on a table.The weight of each book is indicated.The net force acting on book Y is: A)4 N down B)5 N up C)9 N down D)0 N E)none of these
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Question

Three books (X, Y, and Z)rest on a table.The weight of each book is indicated.The net force acting on book Y is: 
A)4 N down 
B)5 N up 
C)9 N down 
D)0 N 
E)none of these

Quizplus · Accepted Answer

The weight of book Y is balanced by the weights of books X and Z, resulting in a net force of 0 N.

Three Books (X, Y, and Z)rest on a Table