Renald completed only one trial of his experiment. What effect will this most likely have? O The results are more likely to have errors.
O The results are more likely to be precise.
O The experiment will be harder to replicate.
O The experiment will be easier to replicate.
Plsss I will mark branliest

Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano.the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force