contestada

Which results in an increase in power?
A- doing more work in less time?
B- doing more work in more time?
C- doing less work in more time?
D-doing less work in less time?

Respuesta :

AL2006
Choice-A describes an increase in power.

Answer:

Option A

Explanation:

Power is defined as the work done per unit time.

The formula for power is given by

P = Work done  / time

Where, W is the work done and t be the time.

According to option (A):

Power increases if more work is done in less time.

According to option (B):

Power remains same if more work is done in more time.

According to option (C):

Power decreases if less work is done in more time.

According to option (D):

Power remains same if less work is done in less time.