Angular Momentum.

Question 1

What is the Law of Angular Inertia?

Answer 1

Something will rotate around its axis at a constant state til something makes it change.

Question 2

What is the Law of Angular Momentum?

Answer 2

Something’s angular acceleration will be in proportion to the force applied (torque) and in that direction.

Question 3

What is the Law of Angular Action/Reaction?

Answer 3

When something applies turning force to one side of an axis, the other side will apply the same force in the opposite direction.

Question 4

What is the equation for Angular Momentum?

Answer 4

Angular Velocity x Moment of Inertia = Angular Momentum.

Question 5

What is Angular Momentum?

Answer 5

Amount of Rotation.
Angular Momentum is Constant.

Question 6

What is Angular Velocity?

Answer 6

Speed of Rotation.
Angular Velocity is Inversely Proportional.

Question 7

What is Angular Inertia?

Answer 7

Distribution of Mass around an Axis.
Moment of Inertia is Inversely Proportional.

Question 8

Define Torque.

Answer 8

Turning force.

Question 9

What is the equation for Torque?

Answer 9

Force x Moment Arm Length = Torque.

Question 10

Define Angular Displacement.

Answer 10

The shortest change in angle from start to finish position.

Question 11

What is Angular Displacement measured in?

Answer 11

Radians.
[360* = 6.3 Radians / 1* = 0.075 Radians]

Question 12

What is the equation for Angular Displacement?

Answer 12

Angular Velocity x Time[rad/s] = Angular Displacement.

Question 13

Explain how Angular Velocity can be altered by changing Moment of Inertia.

Answer 13

Moment of Inertia is a measure of how an object resists changes in its rotation, by altering the distribution of mass or the shape of a n object, we can change its moment of inertia.
When the Moment of Inertia decreases, the angular velocity increases and vice versa.
This means that changing the moment of inertia can affect how quickly an object rotates.