本题目来源于试卷: Physics Unit6: Work and Energy,类别为 国际高中通用物理
[单选题]
A force moves an object in the direction of the 5s ;n)g0m 4hg1imfw2 h,timavqb8z. xvk /6p kfo sqom,8*.s2et-u, (gt 3 7x vzbfcbp nhrce. The graph in Fig. 6-1 shows the force versus the object's ghe,tnpmtcbu3-*fsso8v7z,2( q . bx position. Find the work done when the object moves from 0 to 2.0 m. 
A. $20 \; J$
B. $40 \; J$
C. $60 \; J$
D. $80 \; J$
参考答案: A
本题详细解析:
暂无
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