Which is an advantage of machines?
They increase the amount of work that is done.
They decrease the distance over which one exerts a force.
They increase the distance over which one exerts a force.
They decrease the amount of work that is done.
They increase the amount of work that is done.
They decrease the distance over which one exerts a force.
They increase the distance over which one exerts a force.
They decrease the amount of work that is done.