If the Sun collapsed to a black hole, Earth's speed in space would
A)increase.
B)decrease.
C)remain the same.

Question

Quizplus · Accepted Answer

The mass of the Sun would remain the same even if it collapsed to a black hole. The gravitational force on the Earth due to the Sun depends on its mass and distance, and since the distance between Earth and the Sun would remain the same, the gravitational force and thus the speed of the Earth in space would remain unchanged.

If the Sun Collapsed to a Black Hole, Earth's Speed