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Another important factor of a car is...
Miss Mac continued "Velocity is also very important when it comes to the speed of a car; Velocity is the rate of change of a objects movement. Along with velocity, speed is also very important. Speed is the magnitude of velocity while velocity is the speed of an object plus its direction. Speed can be calculated with the equation S=distance/ time."
"...Newton's laws of motion also explain how cars can move. Newton's second law of motion states that the force on an object equals the mass times the acceleration. This means the larger the mass of the car and the larger the acceleration, the faster the car will move."
Mike was fascinated by all of this information, but he still had more questions. "Well Miss.Mac, how do cars slow down?" Miss Mac loves that Mike is so interested in physics, she's exhilarated to answer his question. "When the velocity of an object slows down this is called deceleration. It may also be represented by a negative acceleration. This means the direction or vector of the acceleration is pointing in the opposite direction of the movement"
When Mike came home he was so excited to go home and play Need for Speed. Now that he knows all about cars he won his race because he knew what to do and what will happen. Thanks to Miss Mac's amazing lesson Mike is now a professional Need for Speed player.
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