Angular Kinematics - 1

Question 1

What is angular kinematics

Answer 1

The study of motion of an object about a circular path exclusive of the influences of mass and force

Question 2

When does angular motion occur

Answer 2

when all points on an object move in a circular path around the same axis

Question 3

What is angular displacement

Answer 3

The angle that it moves through from its starting position relative to ax axis of rotation

Question 4

What is used to represent angular displacement

Answer 4

Theta

Question 5

What is absolute angular displacement

Answer 5

The position of an object relative to a fixed reference

Question 6

What is relative angular position

Answer 6

The position of an object relative to a place or line that is capable of moving

Question 7

What is relative angle

Answer 7

The angle formed between two limb segments

Question 8

In anatomical position, what are all relative joint angles

Answer 8

0

Question 9

What is an absolute angle

Answer 9

measured from an external frame of reference

Question 10

What is angular distance represented by

Answer 10

Phi

Question 11

What is angular distance

Answer 11

Length of angular pathway from start to finish

Question 12

What is angular displacement? what is it represented by?

Answer 12

Angle between initial and final positions, theta

Question 13

What are the 3 units typically used to describe angular motion

Answer 13

Revolution
Degree
Radian

Question 14

What is a revolution

Answer 14

Angular motion which proceeds in one direction and returns to the start

Question 15

What is a degree

Answer 15

One revolution contains 360 degrees

Question 16

What is a radian

Answer 16

The ratio of the length of an arc to the length of the radii that enclose the arc

Question 17

What is 1 rad

Answer 17

The angle displaced at the center of a circle by an arc equal in length to the circle’s radius

Question 18

What is the magnitude in radians of one complete revolution

Answer 18

The length of the entire circumference divided by the radius pr 2pir/r

Question 19

1 radian = how many degrees?

Answer 19

360/2pi = 57.3

Question 20

what is 180 degrees in rad

Answer 20

pirad

Question 21

What is 90 degrees in rad

Answer 21

(pi/2)rad

Question 22

How do you convert from degrees to radians

Answer 22

multiply the number of degrees by pi and divide by 180

Question 23

Angular displacement, velocity and acceleration are vector quantities or scalar quantities

Answer 23

Vector

Question 24

What is the direction of Angular displacement, velocity and acceleration ?

Answer 24

Positive - counterclockwise Negative - Clockwise