1) An automobile with a mass of 1390 kg has 3.15 m between the front and rear axles. Its center of gravity is located 1.78 m behind the front axle. The automobile is on level ground.
(a) Determine the magnitude of the force from the ground on each front wheel (assuming equal forces on the front wheels).
?? N
(b) Determine the magnitude of the force from the ground on each rear wheel (assuming equal forces on the rear wheels).
?? N
2) A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 5.00 g coins stacked over the 15.0 cm mark, the stick is found to balance at the 42.0cm mark. What is the mass of the meter stick?
?? g