d b C 60 Cord m String 1975B7 A pendulum consists of a small

Last updated: 5/3/2023

d b C 60 Cord m String 1975B7 A pendulum consists of a small object of mass m fastened to the end of an inextensible cord of length L Initially the pendulum is drawn aside through an angle of 60 with the vertical and held by a horizontal string as shown in the diagram above This string is burned so that the pendulum is released to swing to and fro a In the space below draw a force diagram identifying all of the forces acting on the object while it is held by the string Determine the tension in the cord before the string is burned Show that the cord strong enough to support the object before the string is burned is also strong enough to support the object as it passes through the bottom of its swing