Yourmahfriendyxzviz Yourmahfriendyxzviz Science Answered 3. A man walking on the groundA. Action-Force: A man's feet pushes the ground upward. Reaction-Force: The ground pushes the man's feet downward.B. Action-Force: A man's feet pushes the ground downward. Reaction-Force: The ground pushes the man's feet upward.TAMANG SAGOT PO PLEASE