Exercise 6.36
A child applies a force F parallel to the x-axis to a 10.0-kg sled moving on the frozen surface of a small pond. As the child controls the speed of the sled, the x-component of the force she applies varies with the x-coordinate of the sled as shown in the figure (Figure 1).
A.) Calculate the work done by the force F⃗ when the sled moves from x=0 to x=8.0m.

Express your answer using two significant figurs.

B.) Calculate the work done by the force F⃗ when the sled moves from x=8.0m to x =12.0m.

Express your answer using two significant figurs.

C.) Calculate the work done by the force F⃗ when the sled moves from x=0 to x =12.0m.

Express your answer using two significant figures.