From Newton's Bucket to Quantum Gravity
Edited by Julian Barbour and Herbert Pfister
Birkhäuser © 1995
Page 11: Mach's Principle proposes the inertia of a body is caused entirely by an interaction with other bodies.
Page 33: Hofmann's law contains a mechanism in which inertial resistance is resistance to acceleration with respect to other bodies; for, in the case of two masses m and M, an attempt to change the relative velocity v will change the kinetic energy and thus require a force.
Page 39 According to Mach, the inertia of a body is fully determined by other masses alone.
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