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A grindstone in the shape of a solid disk with diameter 0.520 mm and a mass of 50.0 kg is rotating at 800 rev/minrev/min . You press an axe against the rim with a normal force of 160 NN (see the figure below (Figure 1)), and the grindstone comes to rest in 8.00 ss. There is negligible friction in the bearings. Find the coefficient of kinetic friction between the axe and the grin

A grindstone in the shape of a solid disk with diameter 0.520 mm and a mass of 50.0 kg is rotating at 800 rev/minrev/min . You press an axe against the rim with a normal force of 160 NN (see the figure below (Figure 1)), and the grindstone comes to rest in 8.00 ss. There is negligible friction in the bearings. Find the coefficient of kinetic friction between the axe and the grin

Physics for Scientists and Engineers, Technology Update (No access codes included)
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 4.35P: Casting molten metal is important in many industrial processes. Centrifugal casting is used for...
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A grindstone in the shape of a solid disk with diameter 0.520 mm and a mass of 50.0 kg is rotating at 800 rev/minrev/min . You press an axe against the rim with a normal force of 160 NN (see the figure below (Figure 1)), and the grindstone comes to rest in 8.00 ss. There is negligible friction in the bearings.

Find the coefficient of kinetic friction between the axe and the grindstone.

 
The image depicts a sharpening stone being used, highlighting the forces and motion involved in the process. ### Description: - **Sharpening Stone (Grindstone)**: The orange wheel represents the grindstone. - **Mass**: The grindstone has a mass \( m = 50.0 \, \text{kg} \). - **Force**: A force \( F = 160 \, \text{N} \) is applied to the surface of the grindstone. - **Angular Velocity**: The grindstone rotates at an angular velocity represented by the symbol \(\omega\). ### Diagram Explanation: - **Hands and Tool**: Two hands are shown holding a tool, pressing it against the grindstone, illustrating how force is applied in physical sharpening processes. - **Force Arrow**: A red arrow indicates the direction of the force \( F \) applied to the grindstone. - **Rotation Arrow**: A black curved arrow above the grindstone denotes its direction of rotation. ### Application: This image assists in understanding the physics behind rotational motion, force application, and mechanical work in the context of sharpening tools.
Transcribed Image Text:The image depicts a sharpening stone being used, highlighting the forces and motion involved in the process. ### Description: - **Sharpening Stone (Grindstone)**: The orange wheel represents the grindstone. - **Mass**: The grindstone has a mass \( m = 50.0 \, \text{kg} \). - **Force**: A force \( F = 160 \, \text{N} \) is applied to the surface of the grindstone. - **Angular Velocity**: The grindstone rotates at an angular velocity represented by the symbol \(\omega\). ### Diagram Explanation: - **Hands and Tool**: Two hands are shown holding a tool, pressing it against the grindstone, illustrating how force is applied in physical sharpening processes. - **Force Arrow**: A red arrow indicates the direction of the force \( F \) applied to the grindstone. - **Rotation Arrow**: A black curved arrow above the grindstone denotes its direction of rotation. ### Application: This image assists in understanding the physics behind rotational motion, force application, and mechanical work in the context of sharpening tools.
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