Physical hazard is the condition of any property, which increases the chance of loss. For example, if you buy an old grass thatched wooden house, the wooden walls and the grass roofing are physical hazards that increase the chance of fire.
If the braking system in your car is defected and a result of this, you fail to bring, the vehicle to a halt, and collide with another car, the defective brake is a physical hazard while the collision is the peril or cause of loss.
Physical hazard can be controlled by eliminating those physical properties that can increase the chance of loss.
Examples of physical hazard can be: Fire , Explosion, Chemical Radioactivity