Answer:
C
Step-by-step explanation:
Gravitational forces are acting on a masses . It gives
F = (GmM)/ r2
F - force acting on two masses
G - Gravitational Constant
m, M - Mass
r - distance between two mass
Magnetic force acting on due to magnetic fields
Nuclear force is acting on due to nuclear reaction . This is happened inside th sun between H and He
Elastic force is acting due to stress and strain of the object