複選題

29 A spacecraft in the shape of a long cylinder has a length of 100m and its mass with occupants is 1000kg. It has strayed too close to a black hole having a mass 100 times that of the Sun. The nose of the spacecraft points toward the black hole, and the distance between the nose and the craft of the black hole is 10.0km. Which answers are correct in the following?

(A)The total force on the spacecraft is 3.93×10¹⁷ N.
(B)The total force on the spacecraft is 2.62×10¹⁷N.
(C)The total force on the spacecraft is 1.31×10¹⁷N.
(D)The difference in gravitational fields is 2.62×10¹²N/kg.
(E)The difference in gravitational fields is 1.31×10¹²N/kg.