If light has no mass, how does gravitational force bend light inwards

Question

In the case of black holes, lights are pulled into by great gravitational force exerted by the dying stars (which forms into a black hole). If light has no mass, how is light affected by gravity?

In: 784

Answer 1

Draw a line on a piece of paper, all the way across

Then fold the paper where the line is folded too

Black holes work in a similar way to that, where light still travels in a straight line but the space around it doesn’t really want it to