Category Archives: Dynamics

Mass on a moving wedge

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This video contains an excellent analysis to a rather hard problem: A mass resting on a wedge, which itself is free to slide on a horizontal plane. The problem is complicated because (a) there are two accelerations to keep track of, and (b) the kinematic constraint is not-so-easy to apply. Special attention to the careful use of a ghost force (which is fine!) in the accelerating frame.

Solution by Alpar Sevgen