Questions and CORRECT Answers
Absolute angle - CORRECT ANSWER - The angular orientation of a body segment with
respect to a fixed line of reference
Relative angle - CORRECT ANSWER - The angle at a joint formed between the
longitudinal axes of adjacent body segments
Instant center - CORRECT ANSWER - Precisely located center of rotation of a joint at a
given, instant time
Angular displacement - CORRECT ANSWER - Change in the angular or orientation of a
line segment
Angular velocity - CORRECT ANSWER - The rate of change in the angular position or
orientation of a line segment
Angular acceleration - CORRECT ANSWER - Rate of change in angular velocity
Radius of rotation - CORRECT ANSWER - The distance from the axis of rotation to the
point of interest on a rotating body
Tangential acceleration - CORRECT ANSWER - Represents a change in linear speed
Radial acceleration - CORRECT ANSWER - Represents a change in direction
Total acceleration - CORRECT ANSWER - The square root of radial acceleration +
tangential acceleration
, General motion - CORRECT ANSWER - Motion involving translation and rotation
simultaneously
Yaw - CORRECT ANSWER - "No" turning head left/right
Pitch - CORRECT ANSWER - "Yes" nodding head up/down
Roll - CORRECT ANSWER - "Maybe" tilting head left/right towards shoulder
Internal angle - CORRECT ANSWER - Acute relative angle
External angle - CORRECT ANSWER - Obtuse relative angle
sigma; Σ - CORRECT ANSWER - What greek letter represents angular speed?
omega Ω - CORRECT ANSWER - What greek letter represents angular velocity?
Meters - CORRECT ANSWER - Linear quantities must be in _______
Radians - CORRECT ANSWER - Angular quantities must be in _________
Phi; Φ - CORRECT ANSWER - Represents angular distance
Alpha; α - CORRECT ANSWER - Represents angular acceleration
Angular - CORRECT ANSWER - Linear movements are generated by ______ movements