10. What is the net force?
5 N
5 N
5N

The net force is the vector sum of all the forces that act upon an object. That is to say, the net force is the sum of all the forces, taking into account the fact that a force is a vector and two forces of equal magnitude and opposite direction will cancel each other out.

Formula of Net Force

FN is the force acting on a body. When the body is at rest, the net force formula is given by, FNet = Fa + Fg.

https://byjus.com/net-force-formula/

will help you out here

Explanation:

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do