biomechanical movement- projectile motion

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7 Terms

1
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Projectile motion

Refers to the movement of either an object or the human body as it travels through air

2
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Factors affecting horizontal displacement

  • angle of release

  • Velocity of release

  • Height of release

3
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Describe angle of release

  • dependent on height of release and landing

  • When release height and landing are the same the optimum angle of release is 45 degrees

  • When release height is below landing height the optimum angle of release is greater than 45 degrees

  • When release height is greater than landing height the optimum angle of release is less than 45 degrees.

4
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Describe velocity of release

An increase in velocity will increase horizontal displacement.

5
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Describe height of release

An increase in release height will increase horizontal displacement

  • the force of gravity is constantly acting on the mass of an object, so the higher te relate the greater the horizontal displacement

6
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Factors affecting projectiles

  • weight and air resistance are the 2 forces

  • A true parabola (uniform curves/ symmetrical)

  • A distorted parabola (deviates from true parabola)

7
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Horizontal and vertical vectors

  • vertical is only affected by gravity.

  • Horizontal remains constant