Acceleration and net force
Instruction: Drag the hand to pull the trolley down the runway using different no. of elastic
threads. Press <Plot graph> to plot a graph of acceleration a against the no. of elastic threads N. Find
the relationship between a and the net Force F acting on the trolley.
Next trial
Reset
motion sensor
friction-compensated runway
Display of the data-logging program
velocity (m/s)
time (s)
2
1
0
0.5
1.0
1.5
2.0
2.5
| No. of elastic threads N (proportional to the net force F) |
a / m s−2 |
| 0 | 0 |
Plot graph
Show experiment
acceleration a against the number of elastic threads N
Δt
Δv
a / m s−2
2
1
0
1
2
3
4
N (∝ F)