Which of the following is a heterogeneous mixture?

A heterogeneous mixture is simply any mixture that is not uniform in composition - it's a non-uniform mixture of smaller constituent parts. ... You can find many examples of heterogeneous mixtures in solid, liquid and gaseous form throughout nature.

probably not if net force is zero

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table