Tire Tread Analysis

A tire track is left sunk into the mud.  What type of impression is this?

• Patent
• Latent
• Plastic
• Lasting

What type of tire mark shows distance since brakes were applied and speed?

• Skids Marks
• Yaw Marks
• Tire Scrub
• Skid Scrub

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What type of tire mark shows sideways skid?

• Skids Marks
• Yaw Marks
• Tire Scrub
• Skid Scrub

What type of tire mark shows area of impact?

• Skids Marks
• Yaw Marks
• Tire Scrub
• Skid Scrub

Which of the following describes the area of a tire tread that makes contact with the road?

• Groove
• Rib
• Ridge
• Valley

What factors CANNOT be determined from a car based on impression evidence?

• Front and rear track width
• Wheelbase measurement
• Turning diameter
• Person driving the car

Shoe and tire marks impressed into soft earth can be best preserved by: 

• photographing and casting with dental stone
• photographing and then use of the electrostatic lifting technique.
• It is not possible to accurately preserve such markings
• dusting with powder

 What are yaw marks and how are they formed?

• made when a vehicle drives on mud, sand, or snow.
• occur when a car travels over a liquid such as paint, blood, or tar.
• Sideways skid marks, produced when a vehicle turns faster than it can handle

The design on the surface of a tire is known as _____________

• Ridge pattern

• Tread pattern

• Tire grooves

• Tire impressions

The measure of distance from the center of the left tire to the center of the corresponding right tire is called....

• Tire Groove

• Turning Diameter

• Wheelbase

• Track Width