Lesson Practice Quiz 16
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The _______________ is the point at which gravity is at its heaviest at a specific point on an object.
Center of gravity
True or False: It is possible to steer a vehicle with locked up wheels.
False
This is the force that keeps a motor vehicle tires from slipping on the roadway surface:
Friction
This is the force that slows a vehicle when driving uphill.
Gravity
Proper tire inflation _________ fuel efficiency.
Increases
The energy of motion is called:
Kinetic Energy
Centrifugal force is an _______ force on a body rotating about an axis.
Outward
Slick roads from rain, snow or ice ______ traction.
Reduce
Traction is _______ in curves.
Reduced
Tires that are wearing out or balding have less grip on the road because they have less:
Traction
