(5 marks) 1. A llO-kg horizontal beam is supported at each end. A 320- kg crate rests a quarter of the way from one end. What is the vertical force exerted by each support on the beam? (5 marks) 2. A 75-kg sherman in a 125-kg boat throws a 15 kg package horizontally to the right at 4.5 m/s as shown in the Figure. If the boat was at rest before the package was thrown, what is the velocity of the boat just after the package is thrown? V I I hEF a.\" or In-'2 '-' ' "