Question: the force that pulls objects toward the center of the earth is

Answer: gravity

Question: a vehicles speed when going downhill tends to be

Answer: increased (because of gravity)

Question: energy of motion is another way of expressing

Answer: kinetic energy

Question: Because of its energy of motion, when a vehicles speed doubles, the vehicles needs about

Answer: 4x the distance to stop

Question: the gripping action that keeps a tire from slipping on the road way is..

Answer: traction

Question: when breaking & turning ,you use

Answer: changing traction forces

Question: If a tire is underinflates , the only part that grips the road well is the

Answer: outside edges of the tire tred

Question: all wheel drive means

Answer: power is supplied to all four wheels

Question: good shock absorbers

Answer: help create traction

Question: in wet weather , with temperatures near the freezing point, a bridge..

Answer: freezes before a highway