Answer:
Workdone = 56 Joules
Step-by-step explanation:
Given the following data;
Power = 8 watt
Time = 7 seconds
To find the workdone;
The workdone by an object or body is given by the formula;
Workdone = power * time
Workdone = 8 * 7
Workdone = 56 Joules.