(.8kg)*.35^2*80rads/s is wrong :( and I am just so lost right now. web assign keeps telling me I am wrong and you say I am right so I am so confused right now
A barbell consists of two small balls, each with mass 400 grams (0.4 kg), at the ends of a very low mass rod of length d = 35 cm (0.35 m). The center of the barbell is mounted on the end of a low mass rigid rod of length b = 0.525 m (see Figure). The apparatus is started in such a way that...
what is the torque??
A disk of radius R = 9 cm is pulled along a frictionless surface with a force of F = 18 N by a string wrapped around the edge.
At the instant when d = 30 cm of string has unwound off the disk, what is the torque exerted about the center of the disk?
i tried...