you are standing on the edge of a frozen pond next to the tree. you decide that you need to get away from the bear by backing up out onto the ice, but the ice is so slippery you can't get any traction and assume the friction between you and the ice is negligible. what should you do?
what force is responsible for accelerating you away from the bear?
what is the problem with your plan?
2. You managed to escape from the bear and now standing on the dry pavement. you would like to start walking down the road. Identify the force that will make that possible.