CH7: Angular Motion

Question 1

What is Pi (π)?

Answer 1

Number of times the diameter of a circle wraps around the circumference

Question 2

What is the proper unit for angular displacement?

Answer 2

Radian (rad)

Question 3

What is 1 radian equal to?

Answer 3

57.3 degrees

Question 4

What is point mass idealization?

Answer 4

Mass, no geometry

Question 5

What is a rigid body?

Answer 5

Mass, non-deformable geometry (fixed)
described as vectors

Question 6

What is an absolute (segment) angle?

Answer 6

Angle of a rigid body relative to the environment

Question 7

What is relative (joint) angle?

Answer 7

Angle of a rigid body relative to another rigid body