Physics
Free fall
Determine the acceleration due to gravity.
Mission
Determine the acceleration due to gravity
Curriculum Alignment
| Standard | Syllabus code | Topic | Coverage | Grades | |
|---|---|---|---|---|---|
| NGSS | HS-PS2-1 | HS-PS2-1 (Newton's second law; example data includes 'a falling object') | Full | 9–12 | |
| British / IGCSE | 0625 §1.2 | CAIE IGCSE Physics 0625 — 1.2 Motion (Core #8 g≈9.8 m/s², Supplement #13 motion in uniform gravitational field, terminal velocity) | Full | 9–10 | |
| IB | DP A.1 | DP Physics — Theme A.1 Kinematics (free fall, constant acceleration g) | Full | 11–12 | |
| CBSE | Class 9 Ch 10 | CBSE/NCERT Class 9 Science — Ch 10 Gravitation (acceleration due to gravity, free-fall equations) | Full | 9–9 | |
| AERO / AP | AP Physics 1 Unit 1 | AP Physics 1 — Unit 1 Kinematics (1-D constant-acceleration motion, free fall) | Full | 11–12 |
Variables
What you change
- Free Fall Distance
What you measure
- Free Fall Time
What you keep constant
- Free Fall Object
- Air Resistance
Equations
d = Distance (0.45 m)
t = Time (s)
V = Velocity (\frac{m}{s})
G = Gravity (\frac{m}{s^2})
G = \frac{2*d}{t^2}
V = G*t
What You'll Need
- Arduino Uno
- I2C LCD
- IR Sensor
Estimated Time
Virtual mode 9 minTest mode 13 minExercise mode 12 min
Mind-Blowing Fact
Big tree.
Due to the opposing force of gravity, trees cannot grow taller than 426ft.
How You Can Run It
Virtual modeTest modeExercise modeView-only modeAccessibility modeTobii eye trackingVoice commandsArduino integrationAmericanBritishIB