What is the type of joint in which head femur articulates with acetabulum?

The type of joint in which the head of the femur articulates with the acetabulum is a ball-and-socket joint. This type of joint allows for a wide range of movement, including flexion, extension, abduction, adduction, and rotation. The ball-and-socket joint of the hip is one of the largest and strongest joints in the body, and it is essential for walking, running, and other activities that require movement of the legs.