本题目来源于试卷: newnewnewnew，类别为 IB物理学
[问答题]
A heavy crate rests fz nlg4jum.mg /wpt,9 -;t3d)7l; sx r.oj sxoyb-fmkecow 5 fut1u;;cj *8o9on the bed of a flatbed truck. When the truck accelerates, the crate remafc fkc t58wub- ;y;oo9mje*1uins where it is on the truck, so it, too, accelerates. What force causes the crate to accelerate?
参考答案:
The truck bed exerts a force of static friction on the crate, causing the crate to accelerate.
本题详细解析:
暂无
| 
