Draw the free-body diagram of the swing that is required to determine the speed of rotation.
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- A 1 kg mass sits on the y-axis, 2 m from the x-axis. A 2 kg mass sits on the x-axis, 1 m from the y-axis. Which axis would you rotate the system about to have the least resistance to its change in motion? Group of answer choices -y-axis -x-axis -either axis would give the same resultA block weights 150g and it’s attached to a 0.6m long string. The block starts from rest and begins to spin in a circle accelerating at a constant rate of 0.25 rad/s^2 on a horizontal surfaces if the string has a max tension of 5N. How long does it take for the string to break? How many revolutions did the block complete? Please Use the equations provided.A conical pendulum is set up with a bob whose mass is 6.0 kg. When it is set in motion, at a speed of 0.60 m/s, the string makes a 12.0 degree angle with the vertical. a) Find the radius of the horizontal circle the conical pendulum traces out. b) Find the length of the string.c) Find the magnitude of the tension in the string.
- See Conceptual Example 6 to review the concepts involved in this problem. A 10.8-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. As an approximation, assume a radial distance of 61.6 cm is between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest point on the circle, it has a speed of 1.99 m/s. Find (a) the magnitude of the centripetal force acting on the monkey and (b) the magnitude of the tension in the monkey's arm. (a) Number (b) Number Units Units #A small child of mass m = 38 kg is swinging on a swing. The length from the upper bar of the swing set to the seat is L = 4.4 m. The kid is attempting to swing all the way around in a full circle. Assuming the kid is traveling at the speed found in part (a), what is their apparent weight, Wa in newtons, at the top of their path? (At the top, the kid is upside-down.)A small ball is attached to one end of light rope that has a length of 4.0 m. The other end of the rope is attached to the ceiling. The ball is held with the rope horizontal and released from rest. The ball moves in the motion of an arc of the circle. When the ball is at its lowest point, with the rope vertical, the tesion of the rope is 15.5 N. What is the mass of the ball?
- A uniform spherical ball, of mass 13 kg and radius 13 cm, rolls smoothly from rest down a ramp at angle 0 = 30°. The ball descends a vertical height 2.2 m to reach the bottom of the ramp. What are the magnitude and direction of the frictional force in Newtons on the ball as it rolls down the ramp? Assume rolling down axis is - x. If required use the free body diagram shown. Take I com = 2/5 MR² for ball as sphere IND sin 0 Ꮎ R 0 P Fcos 0 COSLet’s approximate the motion of a yo-yo with that of a solid cylinder with a string wrapped around it. The string has alength of 1.2 m and the cylinder has a mass of 0.1 kg and a radius of 0.05 m. Suppose the cylinder was released atrest from the top, what would be its velocity when it reaches the bottom?