TheOneWithTheHair@lemmy.world to Lemmy Shitpost@lemmy.worldEnglish · 11 months ago1.1 Historylemmy.worldimagemessage-square145fedilinkarrow-up11.49Karrow-down115cross-posted to: science_memes
arrow-up11.47Karrow-down1image1.1 Historylemmy.worldTheOneWithTheHair@lemmy.world to Lemmy Shitpost@lemmy.worldEnglish · 11 months agomessage-square145fedilinkcross-posted to: science_memes
minus-squaremmcmonster@lemmy.worldlinkfedilinkarrow-up4arrow-down1·11 months agoHow about something simple: Why does gravity feel the same as acceleration?
minus-squareapplebusch@lemmy.worldlinkfedilinkarrow-up11·11 months agoYou can’t feel gravity. What we feel really is acceleration, the acceleration of the earth pushing us up against gravity.
minus-squareNatanael@slrpnk.netlinkfedilinkarrow-up1·11 months agoBecause of relativistic frames of reference. Standing on a surface in a gravity well means you’re being constantly pushed out of an inertial frame, by not allowing you to follow a geodesic path in spacetime, and the same effect happens under acceleration. https://youtu.be/XRr1kaXKBsU
How about something simple: Why does gravity feel the same as acceleration?
You can’t feel gravity. What we feel really is acceleration, the acceleration of the earth pushing us up against gravity.
Because of relativistic frames of reference.
Standing on a surface in a gravity well means you’re being constantly pushed out of an inertial frame, by not allowing you to follow a geodesic path in spacetime, and the same effect happens under acceleration.
https://youtu.be/XRr1kaXKBsU