In which city the pull of gravity affects the most in the sports performance ?

Question

Accepted Answer

The correct option is (3):
The most accurate answer is **Mexico City**, as it is the classic historical example where the gravitational environment, specifically the high altitude, most significantly affected sports performance. Mexico City sits at an elevation of approximately 2,240 meters (7,350 feet). While the actual pull of gravity is fractionally *less* at this height, the dominant factor influencing athletic performance is the considerable *reduction in air density* and consequently, a major *decrease in air resistance (drag)*. This reduced drag drastically enhances performance in events where projectiles travel through the air, such as the long jump, triple jump, javelin, and sprints, leading to numerous world records being set at the 1968 Olympic Games. Therefore, in a sporting context, this location's gravitational-related conditions cause the most pronounced alteration to results.

The incorrect option is (1):
**Delhi** is incorrect because it is located at a relatively low altitude, approximately 216 meters above sea level. At this elevation, the air density and the resulting air resistance are very close to sea-level values. The effects of the gravitational environment on athletic performance, particularly the reduction in drag, are minimal and do not cause the kind of extreme performance enhancement or detriment that is seen at true high-altitude venues like Mexico City. Performance would be considered normal or standard. Therefore, Delhi is not the city where the pull of gravity, or its effects via altitude, affects sports performance the most.

The incorrect option is (2):
**Oslo** is incorrect because, as a coastal city in Norway, its altitude is very low, essentially at sea level. At sea level, air density is at its maximum for sports venues, meaning the air resistance (drag) that athletes and projectiles must overcome is highest. The environmental factors here are considered the baseline or 'normal' conditions for many athletic records. The primary effect is maximal air resistance, which hampers speed and distance events. Since the performance is not significantly altered or enhanced by the gravitational environment's associated conditions, the city cannot be considered the one where gravity affects performance the *most* in the context of producing unusual or extreme results.

The incorrect option is (4):
**Canberra** is incorrect because its altitude is moderate, around 578 meters above sea level. While slightly higher than Delhi, this altitude is still too low to cause the major physiological and aerodynamic changes seen in a city like Mexico. The reduction in air resistance at this elevation would be slight, resulting in only minor, rather than major or 'most affected,' changes to sports performance and event results. Athletes might experience negligible benefits compared to sea level, but not the significant impact that makes a city famous for its environmental effects on sport. Thus, Canberra does not represent the benchmark city for the extreme effects of the gravitational environment on sports.