Space and time are really the same thing. Gravity is not really a force, rather objects are impacted by curvature of nearby masses. The impact of this curvature is dependant on mass.
E^2 = (pc)^2 + (mc^2)^2 E = mc^2
E^2 = (pc)^2 + (mc^2)^2
E = mc^2
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Last updated 4 years ago