Angular Motion Flashcards
How is angular speed calculated?
How is angular velocity calculated?
How is angular acceleration calculated?
Angular speed = angular distance / time
Angular velocity = angular displacement / time
Angular acceleration = final angular vel. - initial angular vel. / time
What is angular distance?
What is angular displacement?
Distance - Sum of all angles as the body moves from start to end position
-eg. 80+60+40+20=200 degrees distance
Displacement - difference in angle between start and end position of the body
-eg. Child starts 50deg from where she started
Displacement - 50 degrees
What is angular motion?
Types of movements around an axis
Angular motion is an object turning about an axis of rotation
All body parts travel through same angle, in same direction, at same time
- medial axis - cart wheel
- longitude axis - spinning
- horizontal axis - forward somersault in water
