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

Imagine you’re driving on a road. The road turns to the left. And so, you go left. Gravity turned the road, the light was simply driving on it.