Two identical trains A and B move with equal speeds on parallel tracks along the equator. A moves from west to eat and B moves from east to west. Which train will exert greater force on the track?

Q: Two identical trains A and B move with equal speeds on parallel tracks along the equator. A moves from west to eat and B moves from east to west. Which train will exert greater force on the track?

(a) A

(b) B

(c) Both will exert equal force

(d) The mass and the speed of each train must be known to decide properly