Two Masses Are Hung by a Massless Cord Over a Disk

question 27

Multiple Choice

Two masses are hung by a massless cord over a disk with radius R and mass M as shown.If the angular velocity of the disk is 2 rad/s counterclockwise and is not changing,which one of the following statements is true?

• A)T₂ > m₂g
• B)T₂ > T₁
• C)The net torque on the disk must be zero.
• D)The angular acceleration of the disk is counterclockwise.
• E)T₁m₁ + T₂m₂ = Mg

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Inflation

An increase in the economy’s average price level.

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