Acceleration of free fall
Instruction: Press <Release> to let the ball fall down freely. Observe the motion of the ball.
Release Reset
motion sensor
cotton wool
Display of the data-logging program
velocity (m/s)
time (s)
4
3
2
1
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
Show acceleration
Acceleration
= slope of vt graph
= Δv Δt = 
= m s–2