Two blocks are connected by a heavy uniform rope with a mass of 4.00 kg. An upward force of 200 N is applied as shown. What is the tension at the middle of the rope? ( )
选项:
A:73.3 N
B:93.3 N
C:63.3N
D:83.3 N
发布时间:2024-06-02 20:50:39