Answer:
 1watt
Step-by-step explanation:
Given parameters: 
Time = 10s 
Distance = 5m 
Force = 2N 
Unknown: 
Power = ? 
Solution: 
Power is defined as the rate at which work is being done by a body. 
 Power = 
 
 Work done = Force x distance = 2 x 5 = 10J 
So; 
 Power = 
 = 1watt