The image that has the 10N forward force alone is the fastest while the image that has the 10N forward force and two 5N backward forces is the slowest.
The term acceleration refers to the change of velocity with time. The acceleration of a body depends on the mass of the body and the force acting on it.
Looking at the image attached, the image that has the 10N forward force alone is the fastest while the image that has the 10N forward force and two 5N backward forces is the slowest.
Learn more about acceleration: https://brainly.com/question/12134554