Avendor at the local art fair ties her tent to the concrete-filled coffee can shown in (figure 1). the can has a mass of 3 kg, and the rope is pulled at an angle of 40 degrees above the vertical. a stiff breeze comes up and the string becomes taut. what is the maximum value the string tension can have before the can slips? the coefficient of static friction between the can and the ground is 0.68.

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.