****How does this coefficient compare to the coefficient of the block (wooden side down) obtained earlier? Determine the percent difference between these two coefficients. 1. Angles at which block (wooden side down) starts to move: 17.0 19.0 19.0 20.0 17.0 19.0 19.0 18.0 18.0 21.0 Average = 2. Angle at which block (cloth side down) starts to move: 16.0 16.0 15.0 15.0 14.0 15.0 160.0 15.0 10.338 tan (18.7) 18.7 Average = 15.1 You have already solved for us as a function of the incline angle at which the gravitational force along the incline equals the maximum Fstatic. Using that equation and the average angles obtained above, determine the coefficients and fill them in below. tan (15.) 0.270 - *μs (wooden side down) = 0.338 **** Hs (cloth side down) = 0.270 3. Using the block (wooden side down) on the track, you will repeat the measurements from 1. with a 500 g mass placed on top of the block. The group will average their collection of data and determine the coefficient of static friction. 15.0 14.0 Angles at which block (wooden side down with mass added) starts to move: 22.0 20.0 25.0 25.0 23.0 20.0 22.0 20.0 17.0 21.0 Average = 21.5 ****μs (with mass added) tan (21.5) -0.394

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1. How does this coefficient compare to the coefficient of the block (wooden side down) obtained earlier? Determine the percent difference between these two coefficients.

 

 

****How does this coefficient compare to the coefficient of the block (wooden side down)
obtained earlier? Determine the percent difference between these two coefficients.
Transcribed Image Text:****How does this coefficient compare to the coefficient of the block (wooden side down) obtained earlier? Determine the percent difference between these two coefficients.
1. Angles at which block (wooden side down) starts to move:
17.0 19.0
19.0 20.0
17.0
19.0
19.0
18.0 18.0
21.0
Average
=
2. Angle at which block (cloth side down) starts to move:
16.0
16.0 15.0 15.0
14.0
15.0
160.0
15.0
10.338
tan (18.7)
18.7
Average = 15.1
You have already solved for us as a function of the incline angle at which the gravitational force
along the incline equals the maximum Fstatic. Using that equation and the average angles
obtained above, determine the coefficients and fill them in below.
tan
(15.) 0.270
-
*μs (wooden side down) = 0.338
****
Hs (cloth side down) = 0.270
3. Using the block (wooden side down) on the track, you will repeat the measurements
from 1. with a 500 g mass placed on top of the block. The group will average their
collection of data and determine the coefficient of static friction.
15.0
14.0
Angles at which block (wooden side down with mass added) starts to move:
22.0 20.0 25.0 25.0 23.0
20.0 22.0
20.0
17.0
21.0
Average = 21.5
****μs (with mass added)
tan (21.5)
-0.394
Transcribed Image Text:1. Angles at which block (wooden side down) starts to move: 17.0 19.0 19.0 20.0 17.0 19.0 19.0 18.0 18.0 21.0 Average = 2. Angle at which block (cloth side down) starts to move: 16.0 16.0 15.0 15.0 14.0 15.0 160.0 15.0 10.338 tan (18.7) 18.7 Average = 15.1 You have already solved for us as a function of the incline angle at which the gravitational force along the incline equals the maximum Fstatic. Using that equation and the average angles obtained above, determine the coefficients and fill them in below. tan (15.) 0.270 - *μs (wooden side down) = 0.338 **** Hs (cloth side down) = 0.270 3. Using the block (wooden side down) on the track, you will repeat the measurements from 1. with a 500 g mass placed on top of the block. The group will average their collection of data and determine the coefficient of static friction. 15.0 14.0 Angles at which block (wooden side down with mass added) starts to move: 22.0 20.0 25.0 25.0 23.0 20.0 22.0 20.0 17.0 21.0 Average = 21.5 ****μs (with mass added) tan (21.5) -0.394
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