ELASTISITAS A
Quiz
•
Physics
•
12th Grade - University
•
Practice Problem
•
Hard
Eni Windaryanti
Used 15+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebatang logam mempunyai panjang 1 m dan luas penampang 2 cm2.
Ujung-ujung batang ditekan dengan gaya 200 N, sehingga panjang berkurang 1 cm. Besar modulus elastisitas logam tersebut adalah.. .
1 . 10 - 8 N/m2
1 . 10 – 4 N/m2
4 . 10 - 4 N/m2
4 . 10 4 N/m2
1 . 10 8 N/m2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dua buah kawat X dan Y panjangnya masing-masing 1 m dan 2 m ditarik dengan gaya sama sehingga terjadi pertambahan panjang masing-masing 0,5 mm dan 1 mm. Jika diameter kawat Y sama dengan 2X, maka perbandingan modulus young X terhadap Y adalah……
1 : 1
1 : 2
2 : 1
1 : 4
4 : 1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seorang pelajar yang massanya 50 kg bergantung pada ujung suatu pegas, sehingga pegas bertambah panjang 10 cm, dengan demikian tetapan pegas bernilai ... .
5 N/m
20 N/m
50 N/m
500 N/m
5000 N/m
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Perhatikan grafik hubungan gaya (F) terhadap pertambahan panjang (x) suatu pegas pada gambar di bawah. Saat gayanya 40 N, pegas memiliki energi potensial 0,4 joule. Konstanta pegas tersebut adalah …..
500 N/m
1.000 N/m
4.000 N/m
2.000 N/m
2.500 N/m
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
sebuah pegas yang ditarik dengan gaya F newton bertambah panjang x meter, maka besar konstanta pegas yang benar adalah...
K = E.A.L0-1
K = E.A-1.L0-1
K = E-1A.L0-1
K = E.L0. A-1
K = F/L
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapakah beban gaya yang diberikan pada pegas tersebut agar ia mempunyai energi potensial sebesar 1 joule jika Konstantanya 50 Nm-1
10 N
1 kg
10 kg
50 N
5 kg
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
suatu pegas bertambah panjang 10 cm ketika diberi gaya 10 N. Berapakah energi potensial pegas jika gaya pada pgas tersebut dijadikan 2,5 kali lipat ?
3,125 J
25 J
100 J
50 J
0,25 J
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