When Apple Bloom discovers a strange creature injured in the Everfree Forest, it isn't long before the Apple Family have a new house-guest in the form of a Gizmonk named Goggles
The total effect of loads on a body is equal to the individual loads applied seperately. Applejack gets a lecture on mechanics from Twilight whilst dragging her cart to town.
Following Twilight Sparkle's explanation of the scientific method, Diamond Tiara says the sonic rainboom is a scientific phenomenon. Scootaloo insists it is magic. The Ponyville schoolhouse is the scene for an unprecedented intellectual dispute.
Bizarre comedy disguised as something else. Humans are being transported to Equestria through no fault of their own. The only polite thing to do is to help them settle in, and that includes trading in their old money for Equestrian bits.