本题目来源于试卷: Work Energy and Power,类别为 美国物理杯赛(Physics Bowl)
[单选题]
12.18: A 1.00 kg object is relep(5 ndihl3gke;i /p9gased from rest neardx-5 juznnutls) i2 (, the surface of the Earth, the gravitational force acting on the 1.00 kg object by the Earth does 10.0 J of work on the object as it falls 1.00 mto the ground, which one of the following choices best represents the amount of work do2l( jt) us,-ni 5zxnudne by the gravitational force acting on the Earth by the 1.00 kg object during the fall?
A. $0.0J$
B. $-10.0J$
C. $10.0J$
D. $-5.86×10^{25}J$
E. $5.86×10^{25}J$
参考答案: A
本题详细解析:
暂无
|