The image below shows a force of 10 N being applied to an object. The force is being applied toward the right, and the object is accelerating toward the right. No other force is acting on the object. Examine the image, and then answer the question that follows.

A second force of 13 N is applied to the object. If this second force is applied toward the left while the first force is being applied toward the right, which of the following will occur?