Jonathan wants to put ketchup on his hamburger. He turns the ketchup botile at
an angle toward his plate and smacks the
bottom of the bottle until the ketchup
comes.

What is the unbalanced force?

How does inertia affect the ketchup in the
botte?

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

cutt.ly/4zZs6GM

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation: