A machines, main purpose is: A. to increase the power used by decreasing the amount of time you have to do a certain work B: to increase the force you applied by changing its direction or multiplying the distance it is applied C. to decrease the amount of work is done by increasing the distance of force is applied, or changing its direction D. to change the effort of the work by increasing the distance, a force is applied or changing its direction
The correct answer is D. to change the effort of the work by increasing the distance a force is applied or changing its direction. Machines are designed to make work easier by altering the amount of force exerted, the distance over which the force is applied, or the direction in which the force is applied.
