why use a light absorbing black color inside the box , use a reflective coating of gold.


mirror <<< C

mirror is registering FORCE ( P=mv )




plasticyne <<< C

plascticyne is changing energy to hot and also giving reflection
and also registering (P=mv )


30 km/s You can see on drawing ???????????

Please imagine that EARTH = PLASTICYNE
how big force is pushing Earth ?