Perkalian Silang (Cross Product) Dua Vektor

Perkalian Silang (Cross Product) Dua Vektor

10th Grade

15 Qs

quiz-placeholder

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Perkalian Silang (Cross Product) Dua Vektor

Perkalian Silang (Cross Product) Dua Vektor

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Zakiyyah Yasmin

Used 159+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui  m=23\left|\overline{m}\right|=2\sqrt{3}  satuan dan  n=6\left|\overline{n}\right|=6  satuan. Jika  m×n=18\left|\overline{m}\times\overline{n}\right|=18  . Maka sudut yang dibentuk oleh kedua vektor tersebut adalah...

 30°30\degree  

 37°37\degree  

 45°45\degree  

 60°60\degree  

 90°90\degree  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui vektor  a=[3, 0, 2]\overline{a}=\left[3,\ 0,\ -2\right]  dan  b=[2, 1, 0]\overline{b}=\left[2,\ -1,\ 0\right]  maka  a×b = ...\overline{a}\times\overline{b}\ =\ ...  

 2i4j3k-2\overline{i}-4\overline{j}-3\overline{k}  

 2i+4j+3k2\overline{i}+4\overline{j}+3\overline{k}  

 2i4j3k2\overline{i}-4\overline{j}-3\overline{k}  

 4i2j+3k4\overline{i}-2\overline{j}+3\overline{k}  

 3i4j+2k3\overline{i}-4\overline{j}+2\overline{k}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika  A×B=0\left|A\times B\right|=0  , maka hubungan antara vektor A dan vektor B adalah...

Saling berpotongan 

Saling tegak lurus

Saling sejajar 

Saling berjauhan

Saling berlawanan

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pernyataan yang salah dari pilihan berikut ini adalah...

A×B=B×AA\times B=B\times A

A×(B+C)=A×B+A×CA\times\left(B+C\right)=A\times B+A\times C

A×(B×C)(A×B)×CA\times\left(B\times C\right)\ne\left(A\times B\right)\times C

mA×B=m(A×B)mA\times B=m\left(A\times B\right)

A×B=B×AA\times B=-B\times A

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui dua buah vektor masing-masing besarnya adalah 4 satuan dan 9 satuan. Jika sudut antara kedua vektor membentuk sudut  30°30\degree  . Nilai dari perkalian silang kedua vektor tersebut adalah...

 939\sqrt{3}  

18

 18218\sqrt{2}  

 18318\sqrt{3}  

36

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui vektor  a=2i+j5k\overline{a}=-2\overline{i}+\overline{j}-5\overline{k}  dan  b=i+3j\overline{b}=\overline{i}+3\overline{j}  maka  b×a=...\overline{b}\times\overline{a}=...  

 15i+5j+7k15\overline{i}+5\overline{j}+7\overline{k}  

 15i5j+7k-15\overline{i}-5\overline{j}+7\overline{k}  

 5i5j7k5\overline{i}-5\overline{j}-7\overline{k}  

 15i+5j+7k-15\overline{i}+5\overline{j}+7\overline{k}  

 5i+7j+5k5\overline{i}+7\overline{j}+5\overline{k}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui vektor  p=2i3j+k\overline{p}=2\overline{i}-3\overline{j}+\overline{k}  dan  q=j+2k\overline{q}=-\overline{j}+2\overline{k}  maka  3p×q=...3\overline{p}\times\overline{q}=...  

 15i12j6k-15\overline{i}-12\overline{j}-6\overline{k}  

 10i+2j+6k-10\overline{i}+2\overline{j}+6\overline{k}  

 15i+12j+6k15\overline{i}+12\overline{j}+6\overline{k}  

 12i+8j3k12\overline{i}+8\overline{j}-3\overline{k}  

 6i9j+3k6\overline{i}-9\overline{j}+3\overline{k}  

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