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VEKTOR
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E. Latihan
1. Empat buah vektor P, Q, R, dan S digambarkan dengan diagram anak panah sebagai
berikut :
Gambar 3.10 Vektor P, Q, R, dan S
Gambarkan diagram vektor untuk menunjukkan operasi penjumlahan dan pengurangan
vektor berikut ! (menggunakan metode segitiga atau poligon) :
a. P + Q d. P – Q - S
b. P + Q + R e. R - S
c. P + Q + R + S
2. Doni pergi ke sekolah naik sepeda dan berangkat saat hari masih pagi. Ia mengayuh
sepeda ke utara sejauh 50 m, ke timur sejauh 500 m, ke selatan sejauh 400 m dan ke
barat sejauh 50 m dan Doni sampai ke sekolah.
a. Gambarkan sketsa lintasan Doni dari rumah ke sekolah! Tunjukkan vektor
perpindahan Doni dan hitung panjangnya !
b. Berapa jarak yang ditempuh Doni !
E-Modul Fisika Berbasis Model Discovery Learning Terintegrasi Pembelajaran Abad 21 82
