This response suggests that she is most likely in the pre-operational stage of cognitive development. This answer based on the Piaget's 4 Stages of Cognitive Development. The preoperational stage is the second stage of Cognitive development where human's have not yet reach the logical thinking ability. However<span>, the human already can think of image and object.</span>
The answer is 111.
Using Newton's Second Law, F=ma, plugging known values in we get:
F = (79kg)(1.4m/s^2) = 110.6N ≈ 111N
