Velocity-time graph

 Diagram 1 shows the velocity-time graph of a moving object.

Rajah 1 menunjukkan graf halaju-masa bagi gerakan suatu objek




Based on Diagram1,
Berdasarkan Rajah 1,

(a) State the physical quantity represented by
Nyatakan kuantiti fizik yang diwakili oleh
(i) the gradient of the graph.
Kecerunan graf.

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(ii) The area under the graph.
Luas di bawah graf.

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(b) Describe the motion of the object at section OA.
Terangkan gerakan objek itu pada bahagian OA.

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(c) What is the time taken by the object to move at a constant velocity?
Berapakah masa yang diambil oleh objek itu untuk bergerak dengan halaju seragam?

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Answer
Jawapan

(a)(i) acceleration 
(a)(ii) distance 
(b) Constant/uniform acceleration // increasing velocity
(c) 7 s