The figure (Figure 1) shows a model of a crane that may be mounted on a truck.A

Question

The figure (Figure 1) shows a model of a crane that may be mounted on a truck.A rigid uniform horizontal bar of mass m1=85.00kg and length L=5.200m is supported by two vertical massless strings. String A is attached at a distance d= 1.200m from the left end of the bar and is connected to the top plate. String B is attached to the left end of the bar and is connected to the floor. An object of mass m2=3500kgis supported by the crane at a distance x=5.000mfrom the left end of the bar. Throughout this problem, positive torque is counterclockwise and use 9.807m/s^2 for the magnitude of the acceleration due to gravity. Find TAthe tension in string A. TA=________N Find TBthe tension in string B TB=________N

Explanation / Answer

Ta = Tb + W1 + W2 = Tb + ( m1 + m2 ) g

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