Acceleration and mass
Instruction: Drag the hand to pull the trolley down the runway with different no. of mass bars added to the trolley. Press <Plot graph> to plot a graph of a against 1m . Find the relationship between acceleration a and mass m.
Next trial Reset
motion sensor
friction-compensated runway
The trolley is accelerating.
The trolley is moving at constant speed.
Display of the data-logging program
velocity (m/s)
time (s)
1.0
0.5
0
1
2
3
4
5
Acceleration
= slope of v–t graph
=  ΔvΔt = {{acceleration.toFixed(2)}} m s−2
Total mass of
trolley m / kg 		1m / kg−1 a / m s−2
{{massObj.m1}} {{massInverseObj.mi1}}  {{accelerationObj.a1}}
{{massObj.m2}} {{massInverseObj.mi2}}  {{accelerationObj.a2}}
{{massObj.m3}} {{massInverseObj.mi3}}  {{accelerationObj.a3}}
{{massObj.m4}} {{massInverseObj.mi4}}  {{accelerationObj.a4}}
Plot graph
Show experiment

a against 1m

a / m s−2
0.1
0.2
0.3
0.4
0.5
0
0.5
1.0
1.5
2.0
  1 m / kg−1
Force applied is not constant during motion, please try again. You should keep dragging the hand to pull the trolley down the runway.