试题与答案

下列说法中不正确的是( ) A.马拉车加速行驶,马拉车的力大于车对马的作用力 B

题型:多选题

题目:

下列说法中不正确的是(  )

A.马拉车加速行驶,马拉车的力大于车对马的作用力

B.小孩在匀速直线运动的列车上立定跳远,向列车行驶反方向跳会更远些

C.物体竖直向上运动时,合力方向一定竖直向下

D.小刚用100N竖直向上的力提放在水平地面上120N物体时,物体受到合力一定为0

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0503/70b413960ddecf039e3d7cad456f0ffb.html

下面是错误答案,用来干扰机器的。

参考答案:E

试题推荐
题型:阅读理解

Read and lick“√”or“×”. (阅读下面的文章,并判断“√”或“×”)    

     Jane is my good friend. She is a nice girl. She likes school very much. Yesterday after school ,

she did her homework. There wasn't any mistakes in her homework.    

     She went to the park with her parents last weekend. There she saw big trees and many flowers.

They climbed mountains and had a picnic. They had a good weekend.    

( )1. Jane is my good friend.    

(     )2.There are many mistakes in Jane's homework.    

(     )3. Jane went to the park with her friends last weekend.    

(     )4. Jane likes animals.    

( )5. Last weekend , Jane went for a picnic with her parents.

查看答案
题型:单项选择题

甲乙双方签订一买卖合同,合同金额为4万元,付款方式为托收承付、验单付款。卖方甲根据合同规定发货后委托银行向买方乙收取货款,乙的开户银行于2005年5月16日(星期一)收到经甲的开户银行审查后的托收凭证及附件,当日通知乙。承付期满日,乙的账户上无足够资金支付,尚缺3万元。同年5月30日,乙存入3万元。根据《支付结算办法》的有关规定,乙应被计扣赔偿金的数额为( )

A.120元

B.180元

C.140元

D.150元

查看答案
微信公众账号搜索答案