An object moving in uniform circular motion would cover the same linear distance in each second of time. Uniform circular motion - circular motion at a constant speed - is one of many forms of circular motion. Uniform circular motion is the motion of an object in a circle with a constant or uniform speed. In such a situation as this, the motion of your car could be described as experiencing uniform circular motion. And suppose that as you drove, your speedometer maintained a constant reading of 10 mi/hr. Suppose that you were driving a car with the steering wheel turned in such a manner that your car followed the path of a perfect circle with a constant radius. Lesson 1 of this study will begin with the development of kinematic and dynamic ideas that can be used to describe and explain the motion of objects in circles. We will see that the beauty and power of physics lies in the fact that a few simple concepts and principles can be used to explain the mechanics of the entire universe. Kinematic concepts and motion principles will be applied to the motion of objects in circles and then extended to analyze the motion of such objects as roller coaster cars, a football player making a circular turn, and a planet orbiting the sun. In this unit, we will see that these same concepts and principles can also be used to describe and explain the motion of objects that either move in circles or can be approximated to be moving in circles. The same concepts and principles used to describe and explain the motion of an object can be used to describe and explain the parabolic motion of a projectile. The motion of a moving object can be explained using either Newton's Laws ( Unit 2 of The Physics Classroom) and vector principles ( Unit 3 of The Physics Classroom) or by means of the Work-Energy Theorem ( Unit 5 of The Physics Classroom). Physics - Mechanics: Newton's Second Law and Rotational Motion (6 of 10) Banked Road Questions and Problems These are the questions and problems you'll be working on in class.Any moving object can be described using the kinematic concepts discussed in Unit 1 of The Physics Classroom. Physics - Mechanics: Newton's Second Law and Rotational Motion (5 of 10) Banked, No Friction Physics - Mechanics: Newton's Second Law and Rotational Motion (4 of 10) Flat Road Physics - Mechanics: Newton's Second Law and Rotational Motion (3 of 10) Pendulum (Tetherball) Physics - Mechanics: Newton's Second Law and Rotational Motion (2 of 10) Vertical Physics - Mechanics: Newton's Second Law and Rotational Motion (1 of 10) Horizontal Physics - Mechanics: Motion In Two-Dimension: (17) Circular Motion and Acceleration Physics - Mechanics: Motion In Two-Dimension: (16) Circular Motion and Acceleration Uniform Circular Motion: Crash Course Physics #7 Watch the following videos before next class. Watch the following presentation before next class and print a copy for your notebook. Qualitatively describe the role of tangential and radial acceleration in accelerating an object in circular motion.Determine the banking angle for a roadway given sufficient information.Describe the misconception of centrifugal force.Work with the definition of centripetal force to determine missing information.Work with the definition of angular acceleration to determine missing information.Identify in a physical situation whether an object is in uniform circular motion.Define the terms centripetal acceleration, radial acceleration, frequency, and period.
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