6834 Lecture Notes - Lecture 2: Projectile Motion, Angular Velocity, Kinematics

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21 Jun 2018

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BIOMECHANICS 1/G

LECTURE 2 (and pre-reading) – PROJECTILE MOTION AND ANGULAR KINEMATICS

Overall Aim of the lecture

Introduce the concepts of projectile motion and angular kinematics and apply them in a human movement

setting

Lecture Summary

What factors are used to assess projectile motion

Understand terms used in angular kinematics

What did we learn (in summary)?

1. How we can use the factors that make up projectile motion.

2. Buy keeping acceleration uniform in projectile motion we can predict and calculate height jumped, take-off

velocities etc.

3. Using our knowledge of angular kinematics, we calculated joint positions for an exercise.

Questions to consider basing your revision around

1. What are the 3 main elements that we calculate to understand projectile motion

a. Uniform accelerated motion

b. Projection velocity

c. Projection angle

d. Projecton height

e. Angular motion

2. What is the single factor (independent of air resistance) that affects the projectile once it has left the ground

a. Gravity

3. At a constant angle of projection from the ground what factor determines the range of the projectile

4. What would velocity be at this point in the trajectory of a jump and why. What is this point called?

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