⚫️🪷⭕️

#ball and socket #connection #pivot point #joint mechanism #linkage #articulation point

🪲▲🪨

#lever #pivot point #mechanical advantage #seesaw #simple machine

🔩🔄🔩

#bearing #axle #shaft #bushing #pivot point

📍🔄⚙️

#pivot point #fulcrum #axis of rotation #mechanical pivot #hinge pin

🔄🚣

#pivot point #oar pivot #rowing function #sculling mechanism #boat swivel #oar fulcrum

📍🌪️

#pivot point #swivel #tornado spin #fixed rotation #whirl

🔗↔️↪️

#hinge joint #pivot point #linkage