A lunch tray is being held in one hand, as the drawingillustrates. The mass of the tray itself is 0.200 kg, and itscenter of gravity is located at its geometrical center. On the trayis a 1.00 kg plate of food and a 0.150 kg cup of coffee. Obtain theforce T exerted by the thumb and the force F exerted by the fourfingers. Both forces act perpendicular to the tray, which is beingheld parallel to the ground.
