# How does angular momentum create a perpendicular force? How does angular momentum create a perpendicular force? How does angular momentum create a perpendicular force?

It doesn't.

Similar to linear momentum, forces cause changes in momentum, and torques cause changes in angular momentum in the case of rotation. A quantity of momentum, on the other hand, does not create a force; rather, it is merely inertia in motion.

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Angular momentum creates a perpendicular force through the principle of conservation of angular momentum, as described by the physics concept of torque. When an object with angular momentum experiences a change in its rotational velocity, a torque is exerted perpendicular to the plane of rotation, causing the object to accelerate in a direction perpendicular to the applied force. This is analogous to how linear momentum creates a force perpendicular to the direction of motion in linear motion.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- A cylinder has inner and outer radii of #2 cm# and #3 cm#, respectively, and a mass of #1 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #6 Hz# to #2 Hz#, by how much does its angular momentum change?
- What is the moment of inertia of a rod with a mass of #6 kg# and length of #5 m# that is spinning around its center?
- What is the angular momentum of a rod with a mass of # 8 kg# and length of #4 m# that is spinning around its center at #8 Hz#?
- A solid disk, spinning counter-clockwise, has a mass of #14 kg# and a radius of #5/4 m#. If a point on the edge of the disk is moving at #2/9 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
- A solid disk, spinning counter-clockwise, has a mass of #5 kg# and a radius of #16 m#. If a point on the edge of the disk is moving at #8 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?

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