G总/s=800,
G人=m人g=588N,G木=p木gV木=p木gsh木,
588+0.02p木gs/s=800,
588+0.6×10^3×9.8×0.02s=800s,
588+117.6s=800s,
(800-117.6)s=588,
s=0.86
晕……将改后的数据重新带进去算就行了
G总/s=800,
G人=m人g=588N,G木=p木gV木=p木gsh木,
588+0.02p木gs/s=800,
588+0.6×10^3×9.8×0.02s=800s,
588+117.6s=800s,
(800-117.6)s=588,
s=0.86
晕……将改后的数据重新带进去算就行了