Page 15 - Hybrid PBD KSSM 2021 Tg 5 - Fizik

Fizik Tingkatan 5 Bab 1

Jika suatu objek mangalami daya paduan sifar, ia akan berada dalam keadaan rehat atau
bergerak pada halaju malar .
If an object is experiencing zero resultant force, the object is stationary or moving at constant velocity ,

(i) Tiada daya yang bertindak ke atas objek itu.
The objects has no force acting on it.
0 N

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0 N
Objek pegun . / Object is stationary .

(ii) Daya-daya yang bertindak ke atas objek itu adalah betul-betul seimbang.
The forces acting on the object are exactly balanced.

10 m s –1
15 N
Daya Paduan
Resultant Force
15 N
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Objek bergerak dengan halaju seragam .
Object is moving at constant velocity .

(b) Situasi 2 : Bergerak ke kanan
Situation 2 : Moves to the right

25 N 25 N – 15 N = 10 N
=

15 N

(i) Daya ke kanan lebih besar daripada daya ke kiri. Daya paduan = 25 N – 15 N = 10 N
ke kanan.
The force to the right is greater than the force to the left. Resultant force = 25 N – 15 N = 10 N to the
right.
(c) Situasi 3 : Bergerak ke kiri
Situation 3 : Moves to the left
5 N
=

15 N 15 N – 5 N = 10 N

(i) Daya ke kanan lebih kecil daripada daya ke kiri. Daya paduan = 15 N – 5 N = 10 N
ke kiri.
The force to the right is smaller than the force to the left. Resultant force = 15 N – 5 N = 10 N to the
left.

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Bab 1.indd 3 11/19/21 4:05 PM