nothing ! ? am i correct?
because hmm ... only when you double the F the A gets 2x, m can't affect a
and by doing maths a/2 is correct too
because say you have 1000N f , m1 = 10 , m2 = 20
1000=10 a => a=1000/10=100
1000=20 a => a=1000/20=50
so from that we can say that if we double the m we...