🔮
Pendulum Oscillation
AP Physics 1 · Unit 6: Simple Harmonic Motion
↺ Reset
🎲 Random
⛶ Fullscreen
T
— s
θ
0.0°
v
0.00 m/s
KE
0.0 J
PE
0.0 J
θ(t) — ANGLE vs TIME
String Length L (m)
1.5 m
Bob Mass (kg)
1.0 kg
Initial Angle θ₀ (°)
30°
Gravity g (m/s²)
9.8
Try Moon (1.6), Mars (3.7), Jupiter (24.8)!
Damping b
0.00
0 = frictionless, >0 = air resistance
▶ Play
↺ Reset
Playback Speed
¼×
½×
1×
2×
T = 2π√(L/g) =
—
s
Change mass — T stays the same!
📝 Quick Quiz
▼
1. You triple the mass of a pendulum bob. What happens to the period?
Period triples
Period stays the same
Period decreases by √3
Period increases by √3
2. To halve the period of a pendulum, you should:
Halve the string length
Quarter the string length
Double the string length
Quadruple the string length
3. At the lowest point of a pendulum swing, the bob has:
Maximum PE, zero KE
Maximum KE, minimum PE
Equal KE and PE
Zero KE and zero PE
Check Answers