Projectile Motion (VCE SSCE Physics): Flashcards

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Projectile Motion
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Definition of a projectile

Object launched into air, moving freely under gravity alone

Gravitational acceleration near Earth's surface

9.8 m s29.8 \text{ m s}^{-2} downward

Horizontal velocity during flight (no air resistance)

Remains constant

Vertical velocity during flight

Changes continuously due to gravity

Path shape of projectile (no air resistance)

Parabolic

Horizontal velocity component formula

uh=ucosθu_h = u \cos\theta

Vertical velocity component formula

uv=usinθu_v = u \sin\theta

Vertical velocity at maximum height

Zero

Only force acting on projectile after launch

Gravitational force pulling downward

Effect of air resistance on projectile motion

Reduces maximum height and horizontal range

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