变大 G=mg=6000KG*9.8N/kg=58800N
F
P原=-
S原
58800N
=-----
0.24m2
=245000Pa
F
P现=---
S现
58800N
=------
0.18m2
≈326666Pa
326666Pa>245000Pa
变大 G=mg=6000KG*9.8N/kg=58800N
F
P原=-
S原
58800N
=-----
0.24m2
=245000Pa
F
P现=---
S现
58800N
=------
0.18m2
≈326666Pa
326666Pa>245000Pa