You shovel snow along your driveway. If you wanted to increase your power, you would _____.
A.) increase either your work or the time it takes
B.) decrease either your work or the time it takes
C.) increase your work or decrease the time it takes
Power, as we know, is the rate of doing work. Hence, it is obtained by dividing the work done by the time it takes to finish the work. This means that it is directly varied with work and inversely to time. To increase power, we should increase work and decrease time. Therefore, the answer to this item is letter C.
