177. 2023年2月05日 11:59:33 : TVNIGmHHvM : V0VCc1kwSzZvNVk=[1]
Free Fall (finally) (クリ)
A body is in free fall. Assume that this body is a homogeneous rectangular body. Inertial force is acting on every local area. Therefore, there can be no local inertial frame for this body.
Inertial force and gravity are canceled each other partially and sometimes totally. But it is action not existence, that is canceled.
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