A rigid, uniform, horizontal bar of mass m1 and length L is supported by two identical massless strings. (Figure 1)Both strings are vertical. String A is attached at a distance d
A rigid, uniform, horizontal bar of mass m1 and length L is supported by two identical massless strings. (Figure 1)Both strings are vertical. String A is attached at a distance d<L/2 from the left end of the bar and is connected to the ceiling; string B is attached to the left end of the bar and is connected to the floor. A small block of mass m2 is supported against gravity by the bar at a distance x from the left end of the bar, as shown in the figure.
Throughout this problem positive torque is that which spins an object counterclockwise. Use g for the magnitude of the free-fall acceleration gravity.
What is the smallest possible value of x such that the bar remains stable (call it xcritical)?
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