Which of the following statements is true about a shopping cart that is moving down the grocery aisle, with a constant velocity, to get ice cream in the freezer section? A. If the shopping cart is moving at a constant velocity, there must be no forces at all acting on the shopping cart
B. The shopping cart must have a force acting on it larger than the shopping cart’s weight to keep moving at a constant velocity
C. There must be an unbalance net force acting on the shopping cart to keep it moving at a constant velocity
D. If the shopping cart is moving at a constant velocity, then there must be a total FNET of zero.