Class #9: Safety

Friction
  • Engine & Driver
  • Transmission
  • Air & Vehicle
  • Tires & Pavement
  • Brakes
  • Many other places
  • Friction stopes your vehicles
  • Friction between the tires ad the ground is called traction
  • Traction points need friction to function
  • Most vehicles have 4 traction points
Acceleration
  • Acceleration = energy shift
Tires
  • Inflation
  • Tread
  • Improperly inflated tires
    • Reduce traction
    • Reduce fuel economy
    • Wears out faster
  • Tire tread depth
    • Check groove indicator
    • Do a penny test
Speed
  • Aerodynamic lift
Vehicle Mechanical Condition
  • Suspension components
  • Steering system
  • Wheel alignment
Road Surface
  • Condition of roadway itself
  • Water
  • Oil
  • Mud
PSI
  • Pounds per square inch
  • On tires
  • Manuel
  • Inside driver’s side of car
Center of Gravity
  • Where the vehicle is balanced
  • Taller vehicle have a higher center of gravity
  • When a vehicle leans far outside its center the vehicle can skid or roll
  • Taller vehicles: Jeeps, SUVs, Vans, etc.
Air Bags
  • Been around since the 1950s
  • Uses solid fuel
  • Can be in the side, back, and in the wheel (depending on the type of car you’re driving)