As a 5.0 x 102 n basketball player jumps from the floor up toward the basket, the magnitude of the force of her feet on the floor is 1.0 x103 newtons. as she jumps, the magnitude of the force of the floor on her feet is a 5.0 x 105 n b 1.0 x 103 n c 5.0 x 102 n d 1.5 x 103 n