- #1
Prabs3257
- 65
- 4
- Homework Statement
- A uniform solid cylinder of mass M rolls without sliding down an incline plane of inclination theeta the frictional force acting on the cylinder is
- Relevant Equations
- General eqns
I know the ans comes out to be mgsintheeta/3 by using f=ma and the torque eqn but my question is as stated in the question the cylinder is in pure rolling hence friction should only try to oppose mgsintheeta so that the accelration does not change hence v remains equal to rw so why is the ans not mg sintheeta