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Pascal1p
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Homework Statement
The 2-kg collar C is free to slide along the smooth shaft AB. Determine the acceleration of collar C if (a) the shaft is fixed from moving. (b) Collar A, which is fixed to shaft AB, moves downward at constant velocity along the vertical rod, and (c) collar A is subjected to a downward acceleration of 2 m/s^2. In all cases, the collar moves in the plane.
My question is about the case c.
Homework Equations
∑F=m*a
T3. The Attempt at a Solution
The answer model also says that a(along shaft) does not change, so why doesn't this method work?