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The Cardan joint suffers from one major problem: even when the input drive shaft axle rotates at a constant speed, the output drive shaft axle rotates at a variable speed, thus causing vibration and wear. The variation in the speed of the driven shaft depends on the configuration of the joint, which is specified by three variables:
The video shows both Obama and Biden waving goodbye to the crowd at the end of the event. After a few moments, Obama grabs Biden by the hand and pats him on the back before they walk away.
A differential is a gear train with three drive shafts that has the property that the rotational speed of one shaft is the average of the speeds of the others. A common use of differentials is in motor vehicles, to allow the wheels at each end of a drive axle to rotate at different speeds while cornering.
The NBC News video angle clearly includes what the others did not: the group of kneeling parachutists who were only steps away from Biden. ... Deceptive videos of Biden have become a common tactic ...
Misleading videos of President Joe Biden at the G7 conference continued to go viral for days even after debunkings and fact-checks tried to correct the record.
President Donald J. Trump shakes hands with the 44th President of the United States, Barack H. Obama during the 58th Presidential Inauguration at the U.S. Capitol Building, Washington, D.C., Jan. 20, 2017.
Pictures taken of Biden by the press were also posted to AP Images, Politico and The Washington Times. The same video clip from the Instagram claim was shot from a different angle by The ...
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