kolycholy Messages 38 Reaction score 0 Thread starter Jan 18, 2007 #1 Ok, I don't get this, when a sphere moves over a frictionless surface tilted downward so getting accelerated, does roll or slide?
Ok, I don't get this, when a sphere moves over a frictionless surface tilted downward so getting accelerated, does roll or slide?
jtbell Staff Emeritus Science Advisor Homework Helper 2025 Award Messages 16,110 Reaction score 8,392 Jan 19, 2007 #2 If there's no friction, what force could cause it to roll?