In the Laboratory,a Solid Cylinder Is Permitted to Roll Down $\omega$

question 29

Multiple Choice

In the laboratory,a solid cylinder is permitted to roll down a plane inclined at an angle with the horizontal.If no slipping occurs,which of the following is true?

• A)No slipping implies no frictional force to consider.
• B)Because there is no slipping,the motion of the cylinder can be considered to be a pure rotation about the center of mass.
• C)The change in potential energy is equal to I₀\(\omega\)².
• D)The acceleration of the center of mass can be expressed in terms of the acceleration due to gravity and \(\theta\).
• E)The only force acting on the cylinder is that of gravity.