A 10–kilogram box is at static equilibrium, and the downward pull of gravity acting on the box is 98 newtons. What is the minimum force that would be required to just pick up the box? A.
exactly 98 newtons in the downward direction
B.
slightly greater than 98 newtons in the upward direction
C.
exactly 98 newtons in the upward direction
D.
any value lesser than 98 newtons in the downward direction

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