A block of wood is compressed 2.0 nm when inward forces of magnitude 120 N are applied

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A block of wood is compressed 2.0 nm when inward forces of magnitude 120 N are applied to it on two opposite sides.
(a) Assuming Hooke's law holds, what is the effective spring constant of the block?
(b) Assuming Hooke's law still holds, how much is the same block compressed by inward forces of magnitude 480 N?
(c) How much work is done by the applied forces during the compression of part (b)?
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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