I know that torque = r x F or rFsintheta
i think it needs to use the ones related to angular momentum where torque= dL/dt= Id omega/ dt= I alpha
there was a similar question but it just said the things and didnt really progress or confirm if it was right
A 10kg block is attached to a massless cord that doesn't stretch or sag which is wrapped around a disc-like wheel for which m=5kg, I=(1/2)mR^2. If the block is allowed to drop straight down held back only by the rotation of the wheel
a) What is the tension in the rope
b) What is the...