Here's a great everyday use of the physics described in think about what subsequently happens to the ketchup, which is initially at rest, and use newtons first law to explain why this technique is so successful this chapter. if you are trying to get keichup out of the bottle, the best way to do it is to turn the bottle upside down and give the bottie a sharp upward smack, forcing the bottle rapidly upward. (figure 1 the weight of the ketchup will keep it from moving if you give the bottle a sharp upward smack figure the static friction of the ketchup wil keep it from moving if it isnt too tightly adhered to the sides of the moving bottle of1 the inertia of the ketchup will keep it from moving if it isn't too tightly adhered to the sides of the moving bottle. the kinetic friction of the ketchup will keep it from moving if it isn't too tightly adhered to the sides of the moving bottle