1655494
Descrição
Mapa Mental por zahraa.alwan, atualizado more than 1 year ago
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Criado por zahraa.alwan
mais de 11 anos atrás
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Projectile Motion
- Projectiles move in
parabolic paths that can be
analysed by considering the
horizontal and vertical
components of the motion
- if air resistance is ignored, the only force
on a projectile is its weight, i.e the force of
gravity, Force of g or W. This results in the
projectile having a vertical acceleration
oof 9.8 m s - 2 down during its flight.
- The horizontal speed of a projectile
remains constant throughout its flight
if air resistance is ignored.
- An object initially moving horizontally, but
free to fall will fall at the exact same, rate
and in the same time as an object falling
vertically from the same height.
- At the point of maximum height, a
projectile is moving horizontally. Its
velocity at this point is given by the
horizontal components of its velocity as
the vertical component equals 0.
- When air resistance is significant the net force acting on a projectile will not be
vertically down, nor will its acceleration. Under these conditions, the path of the
projectile is not parabolic.
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