The Principle of Relativity Is

question 21

Multiple Choice

The principle of relativity is

• A) momentum is conserved in all reference frames.
• B) the Earth is a noninertial reference frame.
• C) the speed of light is constant.
• D) the laws of physics are the same in all inertial reference frames.
• E) Newton's second law does not hold at high speeds.

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Definitions:

Synovial Fluid

A viscous, non-Newtonian fluid found in the cavities of synovial joints, serving to reduce friction between the articular cartilages during movement.

Range of Motion

The complete range of motion available in a joint, encompassing both flexion and extension capabilities.

Torn Ligament

A stretch or tear of a ligament, the fibrous tissue connecting bones and joints, often caused by sudden twists or excessive force.

Calcaneus

The largest bone in the foot, also known as the heel bone, that forms the foundation of the rear part of the foot and serves as an important point for the attachment of muscles and ligaments.