gc physics textbook chapter 4 problems (id: a18b5554d)

本题目来源于试卷: gc physics textbook chapter 4 problems，类别为 IB物理学

[填空题]
A box weighing 77.0 N res0 :ix;lm2wrou)ncteed 6(9 gnts on a.fk9fu.r iah 4)63cr zpbkj-d j,o3 nuk9b)d a table. A rope tied to the box runs vertically upward o.pu)b,az- 9fah3 4r kk.rcnof)jju di9db 3 k6ver a pulley and a weight is hung from the other end (Fig. 4-40). Determine the force that the table exerts on the box if the weight hanging on the other side of the pulley weighs
(a) 30.0 N ,   
(b) 60.0 N ,   
(c) 90.0 N .   

参考答案:
空格1: 47±2%  空格2: 17±2%  空格3: 0±2% 


本题详细解析:

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