A more thorough explanation:

Definition: Physical shock is a sudden and severe disturbance of the body's vital functions caused by a sudden injury or medical procedure. It can also be caused by a sudden violent blow, impact, collision, or concussion.

Example: If someone gets hit by a car, they may experience physical shock. Their body may go into a state of shock, which can cause symptoms such as rapid heartbeat, low blood pressure, and confusion.

Explanation: This example illustrates how physical shock can be caused by a sudden injury, in this case, being hit by a car. The body's vital functions are disturbed, causing symptoms that can be life-threatening if not treated promptly.