Circular Motion Centripetal Force · PhysicsBowl 2007 #19
Physics · mechanics
Problem
What net force is necessary to keep a 1.0 kg puck moving in a circle of radius 0.5 m on a horizontal frictionless surface with a speed of 2.0 m/s?
(a) 0 N (b) 2.0 N (c) 4.0 N (d) 8.0 N (e) 16 N