CH7: Angular Motion Flashcards
1
Q
What is Pi (π)?
A
Number of times the diameter of a circle wraps around the circumference
2
Q
What is the proper unit for angular displacement?
A
Radian (rad)
3
Q
What is 1 radian equal to?
A
57.3 degrees
4
Q
What is point mass idealization?
A
Mass, no geometry
5
Q
What is a rigid body?
A
Mass, non-deformable geometry (fixed)
described as vectors
6
Q
What is an absolute (segment) angle?
A
Angle of a rigid body relative to the environment
7
Q
What is relative (joint) angle?
A
Angle of a rigid body relative to another rigid body
