Algodoo

Enable Motors
Set Strength to 6000
In console type:
Scene.my.motorspeed=0
In laser script:
onLaserHit = (e)=>{Scene.my.motorspeed = 21}
In hinge scripts:
motorspeed = {Scene.my.motorspeed}

If this doesn't do what you want then explain why.

If process needs to be turned off and on then will need more coding.

it dont works

can you make the scene