Question

西西

內容：普物 力與力矩
求詳細解釋過程

4. Determine a formula for the magnitude of the
force f exerted on the large block mc so that
the mass ma does not move relative to mc .
Ignore all friction. Assume mp does not make
contact with mc .
MC
MB

普物 力

Answer 1

🦊수성

如果不考慮繩子彎曲慣性什麼的
B只有和受力垂直的張力吊著
所以只用看AC