via Instagram http://ift.tt/1GGo3sN
#180blog Inertia: why does the table setting stay put when you yank out the tablecloth? Great question arose when the silverware kept falling off the table. Why? When we put it on the plate, the silverware stays there. Could it be that the silverware is too light? If the plate’s inertia makes it resist changes in motion, maybe the silverware doesn’t have enough inertia to stay put.