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Physics of Motion and Forces: An Exploration of Basic Principles

An exploration of the basic principles of motion and forces in physics.

Hunter Harris
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Physics of Motion and Forces: An Exploration of Basic PrinciplesQuestion 11.Which of the following items is NOT used to describe the motion ofan object?AnswerThe object's instantaneous locationThe object's average speedThe object's shapeThe object's instantaneous acceleration4 pointsQuestion 21.Which of the following statements concerning a car traveling at60mph around a circular track is TRUE?AnswerThe car's velocity is constant.It is easier to maintain the turn if the circular track is smaller.The car accelerates toward the center of the circle.The car's acceleration is constant.4 pointsQuestion 31.Consider the situation of a boy throwing a baseball into the air.Which of the following statements concerning the baseball's speed isTRUE?AnswerThe speed of the baseball is constant.The baseball's speed when the boy catches it is less than when he threw it.The baseball's speed when the boy catches it is the same as when he threw it.The baseball's speed when the boy catches it is greater than when hethrew it.4 pointsQuestion 41.Bakersfield is 92mi due west of Haddenton. What was the train'saverage velocity if it took 87 minutes to get to Bakersfield?Answer63.4 mph, due north63 mph, due east

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