Module 4 Drivers Ed Essay

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1. Gravity- is a natural phenomenon by which all things attract one another including stars, planets, galaxies and even light and sub-atomic particles. 2. Inertia-a tendency to do nothing or to remain unchanged 3. Potential Energy- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors. 4. Kinetic Energy- is the energy that it possesses due to its motion 5. Friction- is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. 6. Traction-the application of a sustained pull on a limb or muscle, especially in order to maintain the position of a fractured bone or to correct a deformity 7. Centrifugal Force- an apparent force that acts outward on a body moving around a center, arising from the body's inertia. 8. Centripetal Force- is a force that makes a body follow a curved path 9. Deceleration- to decrease the velocity of 10. Force of impact- Force resulting from the collision of two or more objects. 1. Explain the purpose of the following A. The difference between solid and broken lines is: A solid line you cannot pass though, a broken like you can B. Yellow lines (broken or solid) indicate what type of traffic flow: Traffic traveling in the opposite direction C. White lines (broken or solid) indicate what type of traffic flow: Traffic traveling in your direction 2. Observe and describe the different signs in YOUR city. Give specific examples of each (include color, shape, what the sign is for, etc.). A. A regulatory sign: A speed limit sign, it’s a vertical rectangle and is white with black writing B. A motorist services sign: A green horizontal rectangle sign for the community center C. A recreational sign: A brown horizontal rectangle sign for the community center D. A sign that you know what

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