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Question number 2 help!
ship between the velocity and centripetal force of an object moving in a circle. The investigation begins with an introductory activity to observe the motion of a rubber stopper rotating in a horizontal plane. The procedure provides a model for guided-inquiry design of experiments to determine what factors affect the centripetal acceleration of an object in circular motion. Sources of experimental error will be identified. Pre-Lab Questions 1. Consider an object moving in a circle at a constant speed. a. Are all the forces acting on the object balanced? b. Explain why or why not in terms of Newton's laws. 2. Figure 2 shows an overhead view of a ball traveling in a circle in a clockwise direction. a. At point A, draw an arrow indicating the direction of the tangent velocity of the ball. b. At point B, draw the direction of the centripetal force on the ball. c. At point C, draw the direction of the centripetal acceleration of the ball. d. If the string were to break as the ball reached point D, draw an arrow from point D to indicate the path the ball would take. A D 2016 All Scientific, Inc. No part of this mights Reserved. Reproduction с Figure 2. 3. Read the entire procedure for the Introductory Activity. In Figures 1 and 3, the hand holding the string causes tension in the string, which exerts a force on the rubber stopper. What causes the tension in the string in Figure 5? B -2-
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Transcribed Image Text:ship between the velocity and centripetal force of an object moving in a circle. The investigation begins with an introductory activity to observe the motion of a rubber stopper rotating in a horizontal plane. The procedure provides a model for guided-inquiry design of experiments to determine what factors affect the centripetal acceleration of an object in circular motion. Sources of experimental error will be identified. Pre-Lab Questions 1. Consider an object moving in a circle at a constant speed. a. Are all the forces acting on the object balanced? b. Explain why or why not in terms of Newton's laws. 2. Figure 2 shows an overhead view of a ball traveling in a circle in a clockwise direction. a. At point A, draw an arrow indicating the direction of the tangent velocity of the ball. b. At point B, draw the direction of the centripetal force on the ball. c. At point C, draw the direction of the centripetal acceleration of the ball. d. If the string were to break as the ball reached point D, draw an arrow from point D to indicate the path the ball would take. A D 2016 All Scientific, Inc. No part of this mights Reserved. Reproduction с Figure 2. 3. Read the entire procedure for the Introductory Activity. In Figures 1 and 3, the hand holding the string causes tension in the string, which exerts a force on the rubber stopper. What causes the tension in the string in Figure 5? B -2-
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