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Physics Grade 9 Unit 3: Motion in a Straight Line
national exam questions have come from this unit. It runs 24 pages; one careful study pass takes about 2.1 hours, and its difficulty is easier among Physics units. Each section below lists the questions set from it, with the year, and opens the page that teaches it.
3.1 Position, Distance and Displacement · read p. 40
- 2018 E.C., Q11 – The acceleration of an object is defined as the time rate of change in:
- 2017 E.C., Q15 – Which of the following correctly describes the difference between distance and displacement?
3.2 Average Speed and Instantaneous Speed · read p. 46
Not asked in a national paper yet.
3.3 Average Velocity and Instantaneous Velocity · read p. 47
- 2018 E.C., Q21 – A car moves at speed of 80.0 km/hr for 1.0 hour to East then back to West in which it travels at speed of 60.0 km/hr for 2.0 hrs. What is the average velocity of the car during its motion?
- 2012 E.C., Q38 – While going to school, a student travels 3km, East and then 4km, North in 2 hrs. the magnitude of student's average velocity and average speed are, respectively
3.4 Acceleration · read p. 50
Not asked in a national paper yet.
3.5 Uniform Motion · read p. 52
Not asked in a national paper yet.
3.6 Graphical Representation of Motion · read p. 53
Not asked in a national paper yet.