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Physics 14 Online
Hayhayz (hayhayz):

A table exerts a 4.0 Newton force on a book which lies at rest on its top. The force exerted by the book on the table is... Is it 0.0 or 4.0?

OpenStudy (farmboy813):

0.4

Hayhayz (hayhayz):

0.4? do you mean 4.0? and how so

OpenStudy (farmboy813):

because the first one most definetly doesnt make any sense

Hayhayz (hayhayz):

someone told me it could be the mass (4.0) times the acceleration (0) 4x0=0 but idk if that is right

OpenStudy (518nad):

the table exerts a force on the book of 4 newtons, so if the book was exerting a force of 0 on the table then that means the book would be acceralating upward, however the book is at equilibrium on the table, therefore the book must be exerting a 4 Newton force on the table

OpenStudy (518nad):

these 2 forces cancel out and result in the resting position of the book

OpenStudy (518nad):

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