Formative Practice 9.2 – Form 5 Science (KSSM) Chapter 9

Question 1:
What is the meaning of Global Positioning System (GPS)?

Global Positioning System (GPS) is a navigation system which gives information on location and time to its users in all weather conditions.

Question 2:
How does GPS function?

• Control segment sends signals using Earth’s antenna found in the control station to GPS satellites in the space segment.

• Signals received by GPS satellites are then corrected so that the clock/ time is accurate.

• Corrected signals are then sent again by GPS satellites to GPS users in the user segment.

Question 3:
What are the uses of GPS?

Navigational purposes and setting global clock or local standard time.

Question 4:
What are the benefits of notifications of road accidents in navigational applications to road users?

• Vehicles passing the affected road will reduce their speed

• Informs users to be more careful about the possible presence of obstacles or objects on the road

• Other users can choose alternative roads to avoid traffic jam

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