MCQOPTIONS
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| 1. |
A shopper pushes a shopping cart of a store with a constant force of 75 N [forward]. The shopping cart exerts a force of 75 N [backward] on the shopper |
| A. | only if the velocity of the cart is constant. |
| B. | only if there is no friction between the cart and the floor. |
| C. | only if the velocity of the cart is increasing. |
| D. | system to be the shopper and cart. |
| Answer» E. | |