
Soal Vektor dan Aplikasinya
Authored by Ahmad Fauzi
Physics
1st Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Gambar manakah dari vektor berikut yang memenuhi persamaan a + b + c= 0 ?
a
b
c
d
e
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Diberikan dua vektor u𝑢 dan v𝑣, dengan 𝑢=(−1,−2,1) dan 𝑣=(2,1,1). Besar sudut yang dibentuk oleh kedua vektor tersebut adalah
45
60
75
90
120
3.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Seseorang ingin menyeberangi sungai deras dengan perahu yang mampu bergerak dengan kecepatan 2 m/s. Kecepatan arus sungai 1,2 m/s. Supaya orang tersebut dapat menyeberang sungai secara tegak lurus arus sungai maka perahunya harus diarahkan dengan sudut α terhadap arus sungai. Besar α adalah ….
a. 37 derajat
b. 53 derajat
c. derajat
d. 127 derajat
e. 143 derajat
4.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Dua buah gaya sama besar yaitu 10 N membentuk sudut 120 derajat satu sama lain. Selisih kedua vektor tersebut adalah….
a. 0 N
b. 10 N
c. 10√2 N
d. 10√3 N
e. 20 N
5.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Perhatikan gambar gaya-gaya di bawah ini! Besar resultan ketiga gaya tersebut adalah…
a. 4,0 N
b. 4√3 N
c. 6,0 N
d. 6 √3 N
e. 8 N
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Dua buah gaya masing-masing 10 N dan15 N membentuk sudut 60 derajat. Besar resultan kedua gaya tersebut adalah . . .
a. 5 √3 N
b. 5 √17 N
c. 5 √19 N
d. 5 √2 N
e. 20,6 N
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Vektor a = 3 satuan, vektor b = 4 satuan dan a + b = 5 satuan, besar sudut yang diapit oleh vektor a dan b adalah ….
a. 90 derajat
b. 45 derajat
c. 60 derajat
d. 120 derajat
e. 180 derajat
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