问题
选择题
万有引力可以理解为：任何有质量的物体都要在其周围空间产生一个引力场，另一个有质量的物体处于这一引力场中，就受到该引力场的引力作用，这种情况可以与电场相类比。那么在地球产生的引力场中的重力加速度，可以与电场中下列哪个物理量相类比
A．电势 B．电势能 c．电场强度 D．电场力
答案
答案：C
因为g=G/m,而在电场中E=F/q，所以选C.
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万有引力可以理解为：任何有质量的物体都要在其周围空间产生一个引力场，另一个有质量的物体处于这一引力场中，就受到该引力场的引力作用，这种情况可以与电场相类比。那么在地球产生的引力场中的重力加速度，可以与电场中下列哪个物理量相类比
A．电势 B．电势能 c．电场强度 D．电场力
答案：C
因为g=G/m,而在电场中E=F/q，所以选C.
| 同义词（组）替换：选出与所给句子划线部分意思相同或相近的选项。 |
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| A. look at B. think about C. look for D. think up |
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