D&D Driving School Ohio Class 3 and 4 Study Guide- Questions with Answers

traction Friction between a tire and the road directional control the ability of the car to hold a straight line centrifugal force pushes a moving object out of a curve and into a straight line crowned road a road higher in the center than on the other side inertia a force that keeps objects moving in a straight line center of gravity the point around which all the weight of an object is evenly distributed force of impact the force with which a moving vehicle hits another object kinetic energy energy of motion safety belt reduces the effects of inertia True Inertia causes your books on the car seat to continue moving forward even after you brake. True Tires with little or no tread do not have good traction on wet, snowy, or icy roads True Traction is poorest on snow and ice when the temperature is near 32 degrees F. False The more energy of motion a car has, the less time and distance it will take to stop. True To help slow a car using engine braking, just take your foot off the accelerator. True On rural highways the speed limit is 55 mph, unless otherwise posted. True You may never drive faster than it is safe for the road, weather, and traffic conditions.