luxury goods might not be bought
A. To find work we need to know F and S; to find power we need to know F and V
Answer:
Machine Efficiency
Explanation:
Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work). The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, efficiency is always less than 100 percent
Rotational speed of an object around an axis is the numbers of turns of the object divided by time. <span />