What is a black hole what does it do

=> Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity.

=> Anything that ventures too close—be it star, planet, or spacecraft—will be stretched and compressed like putty in a theoretical process aptly known as spaghettification.

no

sodium is solid at rt

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this