b) A tug-of-war team pulls on a cart as illustrated in Fig. 3. There is no fric- tion between the cart and surface. A black rope connects Denise and the cart while a gray rope connects Cindy and Denise. A red rope connects Cindy to machine that pulls this rope to the right. All ropes are taut. There is no friction. Denise Cindy Figure 3: Tug-of-war team and cart i) Using the format of the previous question, list the forces acting on the cart. ii) List the forces acting on Denise. iii) List the forces acting on Cindy. iv) For each of the cart, Denise, and Cindy, draw a free body diagram.