M. Inersia (2)

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SOAL 1: Daerah A B C D E

Bentuk S3 S4 S4 S4 S4

a 0.000 0.000 0.000 0.000 0.000

b 8.000 8.000 4.000 6.000 6.000

h 6.000 5.000 5.000 5.000 26.000

Luas (A) 24.000 40.000 20.000 30.000 156.000 270.000

Y 22.000 17.500 12.500 2.500 13.000

Inersia (I) 48.000 83.333 41.667 62.500 8,788.000

A*Y 528.000 700.000 250.000 75.000 2,028.000 3,581.000

Yt 13.263 13.263 13.263 13.263 13.263

(Y-Yt) 8.737 4.237 (0.763) (10.763) (0.263)

(Y-Yt)^2 76.336 17.952 0.582 115.841 0.069

A*(Y-Yt)^2 1,832.060 718.099 11.642 3,475.241 10.787

I+A*(Y-Yt)^2 1,880.060 801.433 53.309 3,537.741 8,798.787 15,071.330

SOAL 2: Daerah A B C D

Bentuk S4 S4 S4 S4

a 0.000 0.000 0.000 0.000

b 10.000 40.000 10.000 20.000

h 10.000 10.000 16.000 10.000

Luas (A) 100.000 400.000 160.000 200.000 860.000

Y 41.000 31.000 18.000 5.000

Inersia (I) 833.333 3,333.333 3,413.333 1,666.667

A*Y 4,100.000 12,400.000 2,880.000 1,000.000 20,380.000

Yt 23.698 23.698 23.698 23.698

(Y-Yt) 17.302 7.302 (5.698) (18.698)

(Y-Yt)^2 299.370 53.324 32.463 349.603

A*(Y-Yt)^2 29,937.047 21,329.584 5,194.159 69,920.606

I+A*(Y-Yt)^2 30,770.380 24,662.917 8,607.492 71,587.272 135,628.062

SOAL 3: Daerah A B C D

Bentuk S4 S4 S4 S4

a 0.000 0.000 0.000 0.000

b 20.000 40.000 10.000 40.000

h 10.000 5.000 20.000 5.000

Luas (A) 200.000 200.000 200.000 200.000 800.000

Y 35.000 27.500 15.000 2.500

Inersia (I) 1,666.667 416.667 6,666.667 416.667

A*Y 7,000.000 5,500.000 3,000.000 500.000 16,000.000

Yt 20.000 20.000 20.000 20.000

(Y-Yt) 15.000 7.500 (5.000) (17.500)

(Y-Yt)^2 225.000 56.250 25.000 306.250

A*(Y-Yt)^2 45,000.000 11,250.000 5,000.000 61,250.000

I+A*(Y-Yt)^2 46,666.667 11,666.667 11,666.667 61,666.667 131,666.667

SOAL 1: Daerah A B C D E

Bentuk S3 S4 S4 S4 S4

a 0.000 0.000 0.000 0.000 0.000

b 8.000 8.000 4.000 6.000 6.000

h 6.000 5.000 5.000 5.000 26.000

Luas (A) 24.000 40.000 20.000 30.000 156.000 270.000

Y 22.000 17.500 12.500 2.500 13.000

Inersia (I) 48.000 83.333 41.667 62.500 8,788.000

A*Y 528.000 700.000 250.000 75.000 2,028.000 3,581.000

Yt 13.263 13.263 13.263 13.263 13.263

(Y-Yt) 8.737 4.237 0.763 10.763 0.263

(Y-Yt)^2 76.336 17.952 0.582 115.841 0.069

A*(Y-Yt)^2 1,832.060 718.099 11.642 3,475.241 10.787

I+A*(Y-Yt)^2 1,880.060 801.433 53.309 3,537.741 8,798.787 15,071.330

SOAL 2: Daerah A B C D

Bentuk S4 S4 S4 S4

a 0.000 0.000 0.000 0.000

b 10.000 40.000 10.000 20.000

h 10.000 10.000 16.000 10.000

Luas (A) 100.000 400.000 160.000 200.000 860.000

Y 41.000 31.000 18.000 5.000

Inersia (I) 833.333 3,333.333 3,413.333 1,666.667

A*Y 4,100.000 12,400.000 2,880.000 1,000.000 20,380.000

Yt 23.698 23.698 23.698 23.698

(Y-Yt) 17.302 7.302 5.698 18.698

(Y-Yt)^2 299.370 53.324 32.463 349.603

A*(Y-Yt)^2 29,937.047 21,329.584 5,194.159 69,920.606

I+A*(Y-Yt)^2 30,770.380 24,662.917 8,607.492 71,587.272 135,628.062

SOAL 3: Daerah A B C D

Bentuk S4 S4 S4 S4

a 0.000 0.000 0.000 0.000

b 20.000 40.000 10.000 40.000

h 10.000 5.000 20.000 5.000

Luas (A) 200.000 200.000 200.000 200.000 800.000

Y 35.000 27.500 15.000 2.500

Inersia (I) 1,666.667 416.667 6,666.667 416.667

A*Y 7,000.000 5,500.000 3,000.000 500.000 16,000.000

Yt 20.000 20.000 20.000 20.000

(Y-Yt) 15.000 7.500 5.000 17.500

(Y-Yt)^2 225.000 56.250 25.000 306.250

A*(Y-Yt)^2 45,000.000 11,250.000 5,000.000 61,250.000

I+A*(Y-Yt)^2 46,666.667 11,666.667 11,666.667 61,666.667 131,666.667

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