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Part C. Determining /k Repeat the procedures from Part A and Part B, but this time tap the wooden block gently. Record your observation in

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Part C. Determining /k Repeat the procedures from Part A and Part B, but this time tap the wooden block gently. Record your observation in Table 4.2. Note: Set the inclined plane-wooden block system first before gently tapping the block. odu4.2 Materials 1 wooden block iron stand, iron rod, and clamps 1 friction board . meter stick 4.3 Procedure Part A. Determining As 1. Measure the length of the friction board using a meter stick. Take note of the measured value. 2 . Set-up an inclined plane system using the friction board, iron stand, iron rod, and clamps. To do this, attach the iron stand on an edge of the laboratory table. Then, insert the iron rod through the hole at one of the ends of the friction table and connect the iron rod to the iron stand. The set-up should allow you to adjust the height of the inclined plane. Refer to Figure 4.1. Figure 4.1. Diagram of the inclined plane system. I is the measured length of the friction board, while h is the adjustable height of the inclined plane system. 3. Set the h = 5.00 cm. Place the wooden block on the inclined plane such that the face with the largest surface area is in contact with the friction board. Observe if the wooden block slides down to the end of the incline plane. Record your observations in Table 4.1 under "Area A". 4. If the wooden block does not slide down, remove it from the inclined plane and increase the height by 0.50 cm, Place the wooden block again on the inclined plane and observe if it slides down to the end of the inclined plane. Record your observations in Table 4.1 under "Area A. 5. Repeat step 4 until the wooden block slides down to the end of the inclined plane. Note: Our goal is to determine the minimum height at which the wooden block slides down. Part B. Varying the Apparent Area of Contact Repeat the procedures from Part A, but this time using the other faces of the wooden block. Record your observations in Table 4.1 under "Area B," and "Area C" respectively.PHYS 51.1 Elements of Physics Laboratory Exercise 4. Coefficients of Friction Exercise 4. Coefficients of Friction Name: Date: Section: Group No.: Groupmates: Signature: Table 4.1. Observations for determining us for each apparent area of contact. Height of inclined Did the box slide down? plane (m) Area A Area B Area C 0 . 171 no no no 0- 176 no 0. 181 no ho 0. 186 no yes 0 - 141 yes 0- 196 no yes 0 - 20 ho yes 0 . 206 no yes 0 . 204 no yes 3. 210 yes 0. 21 yes c. 212 no yes 0. 213 no yes 0 - 214 no yes 0 .215 no yes 0. 216 no yes 0 . 217 no yes 0. 218 no yes ). 219 yes 0. 220 yes yesPHYS 51.1 Elements of Physics Laboratory Exercise 4. Coefficients of Friction Table 4.2. Observations for determining /x for each apparent area of contact. Height of inclined Did the box slide down? plane (m) Area A Area B Area C 0 . 17) bo ho 0. 176 yes yes 0 . 181 no 0. 186 ho 0. 191 yes 2. 196 0 . 201 2. 206 0. 209 0 . 2 10 D. 21 1 D - 212 U. 213 0 . 214 U . 215 0. 2 16 0. 217 0. 218 0 . 214 0 . 2 20Part A. Determining n5 1. Draw the free-body diagram of the wooden block on the inclined plane system. PHYS 51.1 Elements of Physics Laboratory Exercise 4. Coefficients of Friction 3. Find an expression for us in terms of the measurements obtained and use the expression to determine the experimental value of us. Show your complete solution. Box the expression and final answer.Part C. Determining /k 1. Draw the free-body diagram of the gently tapped wooden block on the inclined plane system.2. Find an expression for ml in terms of the measurements obtained and use the expression to determine the experimental value of pk. Show your complete solution. Box the expression and nal

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