Answer:
c.Beta (1 e-) is the answer.
According to Newton (2nd law), Force = (mass) x (acceleration)
Substitute what we know : Force = (1,000 kg) x (3 m/s²)
Do the arithmetic: Force = 3,000 kg-m/s² = 3,000 newtons
Answer;
1 hectare meter is equal to 10000 cubic meter.