Blue block:
Normal force - from the ground pushing up against the block
Gravitational force - from gravity pushing the block to the ground
Spring force - from the spring attached to the left side of the block
Tension force - from the string attached to the right side of the block
Orange block:
Normal force - from the ground pushing up against the block
Gravitational force - from gravity pushing the block to the ground
Tension force - from the string attached to the left side of the block
Hope this helps! :)
