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1. Refer to figure 1. A wooden block stands motionless on a ramp.. Calculate the coefficient of static friction (Hs ). Refer to the table below. What could be the physical composition of the ramp? Material 1 Material 2 Wood Wood (clean) 0.25 0.5 Wood Wood (wet) 0.2 Wood Concrete 0.62 31.8° Wood Brick 0.6 Figure 1

1. Refer to figure 1. A wooden block stands motionless on a ramp.. Calculate the coefficient of static friction (Hs ). Refer to the table below. What could be the physical composition of the ramp? Material 1 Material 2 Wood Wood (clean) 0.25 0.5 Wood Wood (wet) 0.2 Wood Concrete 0.62 31.8° Wood Brick 0.6 Figure 1

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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### Homework: Friction on an Inclined Plane --- #### 1. Refer to Figure 1 A wooden block stands motionless on a ramp. Calculate the coefficient of static friction (\( \mu_s \)). Refer to the table below. What could be the physical composition of the ramp? ![Figure 1](#) - Angle of incline: 31.8° **Table: Friction Coefficients for Different Materials** | Material 1 | Material 2 | \( \mu \) | |------------|------------------|-------------| | Wood | Wood (clean) | 0.25 - 0.5 | | Wood | Wood (wet) | 0.2 | | Wood | Concrete | 0.62 | | Wood | Brick | 0.6 | #### 2. Refer to Figure 2 A block slides down with a constant speed of 12.0 m/s. Calculate the coefficient of kinetic friction and how far it will travel down the ramp after 5.0 seconds. ![Figure 2](#) --- **Explanation of Figures:** - **Figure 1:** Illustrates a wooden block placed on an inclined ramp with an angle of 31.8°. The figure helps to determine the conditions under which the block remains motionless, implying equilibrium between the gravitational force component and the static friction. - **Figure 2:** Although not fully visible, it appears to indicate a sliding block down a ramp. The known variables include the constant speed of 12.0 m/s and the time duration of 5.0 seconds, which will help in calculating the kinetic friction. --- Please ensure you understand how to use the provided angle and friction table to solve for the required coefficients.
Transcribed Image Text:### Homework: Friction on an Inclined Plane --- #### 1. Refer to Figure 1 A wooden block stands motionless on a ramp. Calculate the coefficient of static friction (\( \mu_s \)). Refer to the table below. What could be the physical composition of the ramp? ![Figure 1](#) - Angle of incline: 31.8° **Table: Friction Coefficients for Different Materials** | Material 1 | Material 2 | \( \mu \) | |------------|------------------|-------------| | Wood | Wood (clean) | 0.25 - 0.5 | | Wood | Wood (wet) | 0.2 | | Wood | Concrete | 0.62 | | Wood | Brick | 0.6 | #### 2. Refer to Figure 2 A block slides down with a constant speed of 12.0 m/s. Calculate the coefficient of kinetic friction and how far it will travel down the ramp after 5.0 seconds. ![Figure 2](#) --- **Explanation of Figures:** - **Figure 1:** Illustrates a wooden block placed on an inclined ramp with an angle of 31.8°. The figure helps to determine the conditions under which the block remains motionless, implying equilibrium between the gravitational force component and the static friction. - **Figure 2:** Although not fully visible, it appears to indicate a sliding block down a ramp. The known variables include the constant speed of 12.0 m/s and the time duration of 5.0 seconds, which will help in calculating the kinetic friction. --- Please ensure you understand how to use the provided angle and friction table to solve for the required coefficients.
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