Angular Kinematics

Question 1

Angular distance is a ____ value represented by ____

Answer 1

• Scalar

- Φ

Question 2

Angular displacement is a ____ value represented by ____

Answer 2

• Vector

- θ

Question 3

Angular speed is a ____ value represented by ____

Answer 3

• Scalar

- σ

Question 4

Angular velocity is a ____ value represented by ____

Answer 4

• Vector

- ω

Question 5

Angular acceleration is a ____ value represented by ____

Answer 5

• Vector

- α

Question 6

Δω / Δtime

Answer 6

Formula for angular acceleration

Question 7

Definition of radius of rotation (r)

Answer 7

Distance between axis of rotation and thing you are studying (measured in metres)

Question 8

Absolute angle

Answer 8

Angular orientation of a body segment with respect to a fixed line of reference

Question 9

Angular acceleration

Answer 9

Rate of change in angular velocity

Question 10

Angular displacement

Answer 10

Change in the angular position or orientation of a line segment

Question 11

Instant centre

Answer 11

Centre of rotation of a joint at a given instant in time

Question 12

Radial acceleration

Answer 12

Component of acceleration of a body in angular motion directed toward the centre of curvature; represents change in direction

Question 13

1 radian is equal to __ degrees

Answer 13

57.3

Question 14

Radius of rotation

Answer 14

Distance from the axis of rotation to a point of interest on a rotating body

Question 15

Relative angle

Answer 15

Angle at a joint formed between the longitudinal axes of adjacent body segments

Question 16

Tangential acceleration

Answer 16

Component of acceleration of a body in angular motion directed along a tangent to the path of motion; represents change in linear speed