Which of the following safety features in vehicles work primarily by addressing the effects explained by Newton’s first law of motion?
1. Seat belts
2. Anti-lock braking system (ABS)
3. Airbags
4. Fog lamps
a) 1, 2 and 3 only
b) 1 and 2 only
c) 1 and 3 only
d) 2 and 3 only