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Question: a square block 200mm3 and mass 1kg is pulled up...

Question details

A square block 200mm3 and mass 1kg is pulled up a plane inclined at 45o to the horizontal over a thin film of SAE 10W-30 oil at 40oC. The oil film thickness is 20×10−6m, and the velocity profile in the oil film is linear.

1. Sketch the free body diagram.

2. If a force of 10N is applied to pull the block up the incline, find the steady-state speed of the block.

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