Physics, 24.07.2020 22:01, maddyclark19

The uniform rectangular block is released from rest with θ essentially zero and pivots in the vertical plane about the center A of its lower face on the fixed corner. (a) If the block is observed to slip when θ = 41°, find the coefficient of static friction between the block and the corner. (b) If the bottom face of the block is notched so that it cannot slip, find the angle θ at which contact between the block and the corner ceases.

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The uniform rectangular block is released from rest with θ essentially zero and pivots in the vertic...