Homework Help: Newton's laws

1. Nov 2, 2003

marshall4

Which one of newton's laws is this equation from and why?

a=[(m1-m2)g]/[m1+m2]

2. Nov 2, 2003

arcnets

marshall4,
sorry but I think any law in physics has the form "If...then...".
Could you please explain what your symbols mean, i.e. what physical situation this equation describes? Thanks.

3. Nov 2, 2003

turin

It comes from the action reaction law and the a=F/m law.

4. Nov 2, 2003

nautica

That would be Newtons second law. Force is proportional to and in the same direction as acceleration and inversial propotional to mass.

Nautica