A tall stack of books is sitting on a table. One of the reasons the book stay where they are is because-
Choices:
A: The chair is helping to hold the table up.
B: The table is exerting a balanced force on the books.
C: The books are exerting an unbalanced force on the table.
D: The books keep shifting enough to keep the stack balanced.
Please help me!
Answers: 2
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A tall stack of books is sitting on a table. One of the reasons the book stay where they are is beca...
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