11. the designers of sport shoes assume that the force exerted on the soles of shoes in a
jump shot is proportional to the weight of the person jumping. a 140-pound athlete
exerts a force of 1960 pounds on his shoe soles when he returns to the court floor after
a jump. determine the force that a 270-pound professional basketball player exerts on
the soles of his shoes when he returns to the court floor after shooting a jump shot.