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

question 13

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
• E) x

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