5. Three identical wheels all have four 1 kg masses attached to their spokes. Each wheel...

 

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5. Three identical wheels all have four 1 kg masses attached to their spokes. Each wheel has the four masses attached at different positions as shown in the diagram. Equal lengths of string are wrapped several times around each wheel, and the free end of CECC B each string is attached to the ceiling. All three wheels are released from rest at the same time and allowed to fall and unroll until they strike the floor. (a) The circle to the right represents wheel C when it is in the process of falling and unrolling after being released. Draw and label the forces (NOT components) acting on wheel C. Make sure each force vector emerges from the point at which that force is applied to the wheel. (b) In terms of the forces drawn in the diagram, explain why the wheels experience increasing rotation as they fall toward the floor. 5. Three identical wheels all have four 1 kg masses attached to their spokes. Each wheel has the four masses attached at different positions as shown in the diagram. Equal lengths of string are wrapped several times around each wheel, and the free end of CECC B each string is attached to the ceiling. All three wheels are released from rest at the same time and allowed to fall and unroll until they strike the floor. (a) The circle to the right represents wheel C when it is in the process of falling and unrolling after being released. Draw and label the forces (NOT components) acting on wheel C. Make sure each force vector emerges from the point at which that force is applied to the wheel. (b) In terms of the forces drawn in the diagram, explain why the wheels experience increasing rotation as they fall toward the floor.