A heavy-duty cargo drone is hovering at a constant altitude while holding a concrete construction block suspended vertically by a thick steel cable.

The weight of the steel cable is 35 N. The weight of the concrete block is 280 N.
The force exerted on the drone by the top of the steel cable is:
245 N245\text{ N}245 N downwards
315 N315\text{ N}315 N upwards
315 N315\text{ N}315 N downwards
245 N245\text{ N}245 N upwards