本题目来源于试卷: Physics Unit4: Force Dynamics & Newton's Laws，类别为 通用国际物理
[单选题]
A 20-N weight and a 5.0-N weight are dropped simultanetp 4w ni2gy:i*ously from0q *bxazhul-* t/b,m2x9 :wqcag +zts the same height. Ignore air resixuq,ca*+btax m 2wz g9 tl*bs:/-z h0qstance. Compare their accelerations.
A. The 20 N weight accelerates faster because it is heavier.
B. The 20 N weight accelerates faster because it has more inertia.
C. The 5.0 N weight accelerates faster because it has a smaller mass.
D. They both accelerate at the same rate because they have the same weight to mass ratio.
参考答案: D
本题详细解析:
暂无
| 
