You Are in a Train Traveling on a Horizontal Track

question 54

Multiple Choice

You are in a train traveling on a horizontal track and notice that a piece of luggage starts to slide directly toward the front of the train.From this observation,you can conclude that this train is

• A)speeding up.
• B)slowing down.
• C)changing direction.
• D)speeding up and changing direction.
• E)slowing down and changing direction.

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Definitions:

True Profile

The accurate outline or contour of an object's surface as specified in design documentation.

Circular Runout

Circular runout is a tolerance specified on cylindrical parts to control the amount of variation or wobbles as the part rotates around a datum axis.

Right Angles

Describes an angle of 90 degrees, representing the intersection at which two lines or planes meet to form a perfect corner.

Circular Elements

Components or parts of a design characterized by their round shape, important in various engineering and architectural constructs.