Journal Reflection 3 & 4

Topics: Force, Classical mechanics, Energy Pages: 2 (438 words) Published: April 5, 2013

Modules 3 & 4
How to submit:
2.Click on Module 4 Reflection Journal
3.Copy and Paste your Journal into the Student Comments Section 4.Click “Submit for grading” AND “Submit”

Module 3: Natural Forces Affecting the Driver
Vocabulary: Please define six (6) of the following terms in your own words. Please do not just copy and paste the definition.

1.Gravity- the attraction of objects to the earth
2.Inertia- an object in motion tends to stay in motion
3.Potential Energy-
4. Kinetic Energy-
5.Friction- the action of one object rubbing against another 6.Traction –
7.Centrifugal Force – increases with acceleration ; a reactions of the centripetal force 8.Centripetal Force – necessary for an object to move with circular motion
9. Deceleration-

10. Force of impact- the force created when objects meet

Module 4 – Signs, Signals & Pavement Markings

1.In a complete sentence (using proper spelling and grammar), explain the purpose of the following:

A. Broken yellow lines- These types of lines indicate that this is a passing zone.

B.Yellow lines (broken or solid) indicate what type of traffic flow- They indicate a two-way traffic flow.

C.Broken white lines- These lines let you know that you can change lanes if and only if it can be safely.

2.Observe and describe the different signs in YOUR city. Give specific examples of each (include color, shape, what the sign is for, etc.). Write in complete sentences, using proper spelling and grammar. A.A regulatory sign- An example of a regulatory sign that I have seen in my town is the speed limit signs. It’s a white rectangular sign with black writing and numbers on it.

B.A motorist services sign-

C.A recreational sign- An example of a recreational sign would be, the signs I see on the side of a highway when I’m traveling. Like the brown, rectangular signs that say things like, tourist rest area.

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