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Physics for Secondary Schools
(a) A mobile phone (b) A computer displaying (c) Fax machine
displaying sms emails
Figure 1.15: Sms, email and fax
Entertainment
Physics has enabled people to enjoy a variety of leisure activities as is evident in exercise
machines (Used for walking, running or climbing while staying at the same place),
bouncing castles, shown in Figure 1.16, and other sports and electronics equipments.
Infl ated balloons and bouncing castles are used to entertain children.
(a) Treadmill machine (b) Bouncing castle
Figure 1.16: Equipment used for recreation
Music and pictures are recorded on tapes or compact disks commonly referred to as
CDs. They are then listened to or watched on television using a Visual Compact Disk
(VCD) player, Digital Video Disk (DVD) player or USB drive. The recording process
utilises physics principles. Figure 1.17 shows a DVD player and other accessories
including Compact Disk.
(a) Digital Video Disk (DVD) player (b) Compact disk (CD)
Figure 1.17: Recording instruments
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Student’s Book Form One
Physics Form 1 Final.indd 10 16/10/2024 20:55
