Page 6 - Modul A+1 Fizik Tingkatan 4

Hubungan dengan Sebutan dalam unit Unit S.I.
Kuantiti terbitan Rumus kuantiti asas (Jika ada)
asas
Derived quantity Formula Relation with base Terms in base unit S.I. unit
quantities (If any)

l
Halaju, v l — –1
t
Velocity, v v = — t m s –
Momentum, p —– –1 BAB 1
ml
Momentum, p p = mv t kg m s –
l
Pecutan, a v —––
t
Acceleration, a a = — t × t m s –2 –
Daya, F —––
ml
Force, F F = ma t × t kg m s –2 Newton, N
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Tekanan, P F m × l
–1
Pressure, P P = — —–———– kg m s –2 Pascal, Pa
A
t × t × l × l
Jadual 1.2/Table 1.2

B Kuantiti skalar dan kuantiti vektor
Scalar quantities and vector quantities
Berikan lima contoh kuantiti skalar dan kuantiti vektor.
Give five examples of scalar quantities and vector quantities. TP 1

Kuantiti fizik/Physical quantity

Kuantiti skalar/Scalar quantity Kuantiti vektor/Vector quantity

Luas/Area Daya/Force
Isi padu/Volume Sesaran/Displacement

Kerja/Work Halaju/Velocity
Ketumpatan/Density Pecutan/Acceleration

Suhu/Temperature Momentum/Momentum

Uji Kendiri 1.1

Kaji pernyataan berikut dengan teliti dan kemudian,
Study the following descriptions carefully and then, KBAT Mengaplikasi
(a) gariskan kuantiti fizikal yang terlibat.
underline the physical quantities involved.
(b) kelaskan kuantiti-kuantiti tersebut untuk melengkapkan jadual.
classify the quantities to complete the table.

Kuantiti
Situasi Kuantiti asas Kuantiti terbitan Kuantiti vektor
Situation Base quantity Derived quantity skalar Vector quantity
Scalar quantity
(i) Sebiji bola dengan jisim 1.2 kg
dijatuhkan dari atas meja dengan
halaju
halaju
halaju 2.0 m s . jisim velocity jisim velocity
–1
mass
mass
A ball of mass 1.2 kg is dropped from a
table with a velocity of 2.0 m s .
–1
3

01_Modul A+ Fizik Tg4.indd 3 20/09/2021 11:52 AM