Glass Tube 6 500 in C Not Necessarily To Scale Spring Scale

Last updated: 5/3/2023

Glass Tube 6 500 in C Not Necessarily To Scale Spring Scale 0 200 kg 1997B2 modified To study circular motion two students use the hand held device shown above which consists of a rod on which a spring scale is attached A polished glass tube attached at the top serves as a guide for a light cord attached the spring scale A ball of mass 0 200 kg is attached to the other end of the cord One student swings the teal around at constant speed in a horizontal circle with a radius of 0 500 m Assume friction and air resistance are negligible a Explain how the students by using a timer and the information given above can determine the speed of the ball as it is revolving b The speed of the ball is determined to be 3 7 m s Assuming that the cord is horizontal as it swings calculate the expected tension in the cord The actual tension in the cord as measured by the spring scale is 5 8 N What is the percent difference between this measured value of the tension and the value calculated in part b The students find that despite their best efforts they cannot swing the ball so that the cord remains exactly horizontal d i On the picture of the ball below draw vectors to represent the forces acting on the ball and identify the force that each vector represents ii Explain why it is not possible for the ball to swing so that the cord remains exactly horizontal iii Calculate the angle that the cord makes with the horizontal