Diagram 'B' shows the situation of the canopy before the lorry moves and when the lorry moves at high speed.
Rajah 'A' menunjukkan keadaan kertas sebelum dan semasa udara ditiup.
Rajah 'B' menunjukkan keadaan kanopi sebelum lori bergerak dan semasa lori bergerak dengan laju yang tinggi.
Diagram A
Diagram B(a) What is meant by speed?
Apakah maksud laju?
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(b) Based on diagram 'A' and diagram 'B' :
Berdasarkan rajah 'A' dan rajah 'B':
(i) State two similarities for the situations in diagram 'A' and diagram 'B.
Nyatakan dua kesamaan bagi situasi dalam rajah 'A' dan rajah 'B'
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(ii) Compare the air pressure above and below the paper when air is blown.
Bandingkan tekanan udara di bahagian atas dan bahagian bawah kertas itu semasa udara ditiup.
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