Four Force

  The first force is applied force is when you push or pull that is caused by a object or a person. When my mom want to change the couches when have to push the couches across the floor. The second force is gravitational force is when two objects attracting one other with a force, like two magnet they are attract one other. The third force is normal force is when a surface is pushing up or against gravity, my phone is on top of my notebook and I push my notebook across the table. The fourth force is tension force is when you use a string or a object that is made of the same material, I pull the string of the window to bring the shades up .