Is it the mass times the distance to the center of the tray? or the mass times gravity (to get a Force) times the distance to the center of the tray?
Thank you!
Also, can torques be added together? I think that the the two torques tending to rotate are that of the plate and tray, and that...
Homework Statement
Barry carries his tray of food to his favorite cafeteria table for lunch. The 0.5-m-long tray has a mass of 0.2 kg and holds a 0.4-kg plate of food 0.2 m from the right edge. Barry holds the tray by the left edge with one hand, using his thumb as the fulcrum, and pushes...