Respuesta :
Answer:
b
Explanation:
because the weight/work increases bcz of the time period
Answer: neither, the work is equal
Explanation:
work = F•d
420N • 200m = 84000 J
210N • 400m = 84000 J
therefore work is equal

Answer:
b
Explanation:
because the weight/work increases bcz of the time period
Answer: neither, the work is equal
Explanation:
work = F•d
420N • 200m = 84000 J
210N • 400m = 84000 J
therefore work is equal