The carbide tips of the cutting teeth of a circulars aware 9.2 cm from the axis ofrotation, (a) The no-load speed of the saw,whenit is not cutting anything, is 5000 rev/min.Why is its no-load power output negligible ? (b) While cutting lumber, the angular speed of the saw slows to 2500 rev/min, and the power output is 2.1 hp. What is the tangential force that the wood exerts on the carbide tips.

The carbide tips of the cutting teeth of a circulars aware 9.2 cm from

1.	The carbide tips of the cutting teeth of a circulars aware 9.2 cm from the axis ofrotation, (a) The no-load speed of the saw,whenit is not cutting anything, is 5000 rev/min.Why is its no-load power output negligible ? (b) While cutting lumber, the angular speed of the saw slows to 2500 rev/min, and the power output is 2.1 hp. What is the tangential force that the wood exerts on the carbide tips.
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