That's true.
And I'll go ya a better one:
If the object is moving or not moving, at a constant or changing speed, in a straight or curvy line, and the forces on it do not cancel out and add up to zero, the object will accelerate.
She could text/email,report it to them personally,post up flyers,tell one person to spread it around
Answer:
a. 250kg I think it's the right answer. hope it helps:)
