Page 63 - Hybrid PBD KSSM 2021 Tg 4 - Fizik

Fizik Tingkatan 4 Bab 2

Hubungan antara Graf Gerakan Linear Inersia / Inertia
Relationship between Linear Motion Graphs Kecenderungan suatu objek
untuk kekal dalam keadaan
Kecerunan / Gradient Kecerunan / Gradient
gerakannya, sama ada pegun
atau bergerak dengan halaju
Graf Sesaran-Masa Graf Halaju-Masa Graf Pecutan-Masa seragam.
Displacement-Time Graph Velocity-Time Graph Acceleration-Time Graph The tendency of an object to remain at
its state of motion whether stationary
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or moving at constant velocity.
Luas di bawah graf Luas di bawah graf
Area under the graph Area under the graph

Momentum Prinsip Keabadian Momentum / Principle of Conservation of Momentum

Jumlah momentum sebelum Jumlah momentum selepas
= jisim × halaju perlanggaran = perlanggaran
= mass × velocity Total momentum before collision Total momentum after collision

Perlanggaran Kenyal Perlanggaran Tak Kenyal
Elastic Collision Inelastic Collision
v
u 1 u 2
u 1 u 2 v 1 v 2
m 1 m 2 m 1 m 2
m 1 m 2 m 1 m 2
sebelum / before selepas / after
sebelum / before selepas / after
bercantum / stick together
tidak bercantum / does not stick together
m u + m u = m v + m v m u + m u = (m + m )v
2 2
1 1
1
2
1 1 2 2 1 1 2 2
Letupan Daya
Explosion Force
u = 0 m s –1 v 1 v 2 Tolakan atau tarikan
Push or pull
Penerbitan 0 = m v + m uv Weight W = mg
Daya Impuls F = m   m 1 m 2 m 1 m 2 F = ma
Impulsive Force t pegun / stationary selepas / after
sebelum / before
2
2
1 1
Berat

Masa Hentaman
Impact Time Daya Impuls
Impulsive Force

Masa Hentaman Daya Impuls
Impact Time Impulsive Force

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02 HYBRID PBD FIZIK F4.indd 22 05/11/2021 8:20 AM