Can You Outsmart Gravity? A Physics Playground for Your Brain
Seven falling objects, four guesses each, and one apple-flavored verdict on your inner physicist.
Gravity is the most consistent character in the universe: no days off, no favorites, no mercy for dropped toast. It has been pulling on you since before you had opinions, yet most people never check whether their instincts about it are any good.
Here is the check. Seven little thought experiments — dropped balls, leaning balloons, orbiting astronauts — each with one answer physics would happily sign off on. No equations, no calculators, just your gut versus the oldest force you know. Guess boldly. The apple is watching, and it has seen this go badly before.
Read every possible result and what it means →
Inspect the scoring, question by question
The highest possible score here is 21. The original game divides scores into 4 bands; the bands contain different numbers of answer combinations. A high point total is not a measured percentile.
1. A bowling ball and a soccer ball roll off the same balcony at the same moment. Ignoring air resistance, what happens?
- The bowling ball lands way earlier — 1 original points
- They hit the ground together — 3 original points
- The soccer ball wins because it is rounder — 0 original points
- The bowling ball lands a hair earlier — 2 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
2. One marble shoots horizontally off a table edge while an identical marble is dropped from the same height at the same instant. Which hits the floor first?
- The dropped one, but only barely — 2 original points
- Neither; marbles are immortal — 0 original points
- They land at exactly the same time — 3 original points
- The launched one, since it is already moving — 1 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
3. A helium balloon floats freely inside a car with the windows shut. The driver hits the gas hard. The balloon…
- leans forward, toward the windshield — 3 original points
- pops, out of respect — 0 original points
- leans backward, like everything else in the car — 1 original points
- stays perfectly upright — 2 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
4. Why do astronauts float around inside an orbiting space station?
- Gravity up there is far too weak to matter — 2 original points
- There is simply no gravity in space — 1 original points
- Floating is part of the job interview — 0 original points
- The station is falling around Earth, and they fall with it — 3 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
5. You stand on a bathroom scale in an elevator as it accelerates upward. The reading…
- stays high for the entire trip up — 2 original points
- climbs while the acceleration lasts, then returns to normal — 3 original points
- never changes at all — 1 original points
- files a formal complaint — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
6. On the airless Moon, an astronaut once released a hammer and a feather together. What happened?
- They landed at the same moment — 3 original points
- The feather drifted down long after the hammer — 1 original points
- The hammer landed slightly sooner — 2 original points
- The feather flew off to start a new life — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
7. Toss a ball straight up. At the very top of its flight…
- both its speed and the pull on it drop to zero — 2 original points
- the ball is legally airborne and answers to no one — 0 original points
- its speed is zero but gravity keeps pulling on it — 3 original points
- gravity briefly lets go, which is why it pauses — 1 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
What happens across every possible answer pattern?
We counted all 16,384 patterns, treating each offered choice as equally likely. This is a synthetic rule check, not visitor research. It does not describe how real people answer.
| Result | Patterns | Share of patterns |
|---|---|---|
| Gravity Wins Every Time | 323 | 1.97% |
| Grounded but Curious | 7,869 | 48.03% |
| Orbit-Adjacent Thinker | 7,456 | 45.51% |
| Honorary Newton | 736 | 4.49% |
Download the full counts · Download Python script · Download rule inputs
To reproduce locally: python3 measure_legacy.py --input legacy-rule-inputs.json --output counts.json. Uses Python 3 and its standard library.
Galileo's genuinely strange claim
Heavy things fall faster than light things. It is the most reasonable belief in the world, it matches daily experience, and it is wrong once air stops interfering. Galileo argued in the early seventeenth century that all bodies accelerate alike under gravity regardless of mass. The story of him dropping weights from the Leaning Tower of Pisa comes from his assistant Viviani and may well be embroidered; the persuasive evidence came from rolling balls down inclined planes, where the motion was slow enough to time with the crude clocks available.
The tidiest demonstration arrived much later. On the Apollo 15 mission in 1971, commander David Scott held out a geological hammer and a falcon feather on the airless surface of the Moon and let go. They drifted down together and struck the dust at the same instant, on camera, watched by a substantial fraction of the planet.
Why an orbit feels like weightlessness
Astronauts are not floating because gravity has run out. At the altitude of the International Space Station, roughly four hundred kilometres up, Earth pulls on a body with about ninety per cent of the strength it has at sea level. The crew appear weightless because they and their spacecraft are falling continuously and moving sideways fast enough that the surface curves away beneath them. Newton set out the idea in the 1680s with a cannon on an impossibly high mountain: fire the ball hard enough and it never lands.
Intuitive physics, and what a score here means
Getting these wrong puts you in respectable company. Michael McCloskey and colleagues reported in the early 1980s that many university students, some with formal physics behind them, predicted that a ball leaving a curved tube would continue along a curved path, a belief closer to medieval impetus theory than to Newton. Naive physics is the default setting, and instruction chips away at it slowly.
Which is the honest framing for your result. This is a conversation about mechanics, not a measurement of anything. What it tracks is how much physics you have met and how recently, and any percentage in the title is a rhetorical flourish rather than a figure somebody collected.
Reading context & limits
In the idealized free-fall model, gravity is the only force. Air resistance changes the model; objects in orbit are also falling under gravity.
For background and a fuller source trail, read Are Online IQ and Brain Tests Accurate?. These references provide context; they do not validate the entertainment result or every historical detail in the archived essay.
- Free-falling objects — NASA Glenn
- Intelligence — American Psychological Association
- IQ — Encyclopaedia Britannica
Content lead: LISA. Updated October 25, 2026. Send a specific factual correction.