It depends on the suspension setup. Which ever ball joint/control arm has the spring load is the load carrying ball joint.
In the shoulder and also your hip is a ball joint. A ball joint is the most mobile joints of the human body. A ball joint allows you to use your legs and arms in a lot of different directions.
Control arm and ball joint are all one unit.
At a shop, about $600.00 the ball joint is one piece on the control arm
One type is a ball and socket joint that connects your arm and shoulder
The shoulder joint. It is a ball-and-socket joint that allows for a wide range of motion in the arm.
The most movable joint in the body is the ball-and-socket joint, such as the hip joint and shoulder joint. These joints allow for a wide range of motion in multiple directions due to the spherical head of one bone fitting into the cup-like socket of another bone.
Ankle is a hinge joint. As it has 'pulley' shaped articular surfaces. Strong medial and lateral ligaments. And permits only two types of movements. Dorsiflexion and planter flex-ion. Movements are allowed in one plane around single axis.
A ball and socket joint is a highly mobile joint. It allows for a wide range of movement in multiple directions due to the rounded end (ball) of one bone fitting into the cup-like socket of another bone. This type of joint is found, for example, in the hip and shoulder.
Ball-and-socket joints allow a wider range of motion than hinge joints.
ball and socket joint - ex. arms
A ball and socket joint resembles a ball (rounded end of one bone) fitting into a socket (concave surface of another bone), allowing for a wide range of movement in multiple directions. This type of joint is found in the hip and shoulder, providing flexibility and stability to the joint.
your hip (coxal) joint. a ball and socket joint is one where all types of movement are possble (eg. flexion, extension, abduction, adduction, circumduction ) you can do this at your hip. another ball and socet joint is your shoulder