A 7-Kg Mass and a 4-Kg Mass Are Mounted on a Spindle

question 58

Multiple Choice

A 7-kg mass and a 4-kg mass are mounted on a spindle that is free to turn about the x axis as shown.Assume the mass of the arms and the spindle to be negligible.If the system is free to rotate and is released from rest,there will initially be a resultant torque in which of the following directions?

• A)z
• B)-z
• C)y
• D)-x

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