本题目来源于试卷: Physics Unit6: Work and Energy,类别为 通用国际物理
[单选题]
A force moves an object f+n*zy l76llowg-ww y175fbi aw 0k/gin the yq mtkb9xgclii+ aqf/e88 rr(t r19,: direction of the force. The graph in Fig. 6-1 shows the force versus the object's pos +l8yxiq9grc(r,m/eiqt1br 9t8:kafition. Find the work done when the object moves from 4.0 to 6.0 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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