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# Chapter 3: Vertical projectile motion in one dimension

## 3.1 Introduction (ESCJV)

In this chapter we are going to look at the motion of objects that are either projected, thrown, or shot directly into the air, be it vertically upwards, downwards or when objects are dropped. This is something that everyone has experienced while playing games and we all have a strong intuition that 'what goes up, must come down', but now we'll study why that is the case.

• Units and unit conversions - Physical Sciences, Grade 10, Science skills
• Rectilinear motion - Physical Sciences, Grade 10, Motion in one dimension
• Linear equations - Mathematics, Grade 10, Equations and inequalities
• Quadratic equations - Mathematics, Grade 10, Functions
• Understand the principle of free falling under gravity with a constant acceleration for an upwards and downwards motion.
• Know that it's only vertical displacement no horizontal displacement.
• Always move only under the influence of only gravity.
• The meaning of time symmetry and the magnitude of velocity.
• Do an experiment to measure the position and time during a motion.
• Calculations done on projectiles by knowing how to use a single set of equations.
• Graphical representations of the equations of motion - Draw graphs for the projectiles motions.
• Deduct equations and determine the position, displacement, velocity or acceleration from the graphs.
• Describe the motion of the object from the graphs.
• Units and unit conversions - Physical Sciences, Grade 10, Science skills
• Rectilinear motion - Physical Sciences, Grade 10, Motion in one dimension
• Linear equations - Mathematics, Grade 10, Equations and inequalities
• Quadratic equations - Mathematics, Grade 10, Functions