Machine movement can be divided into what two main categories?

1.) Employee Driven Machines

2.) Self Driven Machines

Explanation:

A machine is a mechanical device that utilizes the application of forces to carry out an operation. It's operation can be "employee driven" (i.e it is operated by a person) or "self driven" (i.e it is operated by itself).

i don't understand. explain it clearly

a=d/t

a="triangle"v/t

explanation:

a = acceleration