Question

Struck-by injuries are produced by forcible contact or impact between the injured person and ________________.
a. co-worker or employer
b. high voltage power line or other energy source
c. object or piece of equipment

Answer 1

C. an object or a piece of equipment :-)

Answer 2

According to OSHA or Occupational Safety and Health Administration, Struck-by injuries are produced by forcible contact or impact between the injured person and object or piece of equipment.

The word struck means as per OSHA that any injury which is produced by forcible contact between the injured person and any object or piece of equipment.