What is the definition of simple machines? * 2 points a quantity that measures the rate at which work is done or energy is transformed the transfer of energy to a body by the application of a force that causes the body to move in the direction of the force a number that tells how many times a machine multiplies force; it can be calculated by dividing the output force by many times a machine multiplies force one of the basic types of machines, which are the basis for all other forms of machines