首页
登录
职称英语
If you left your book on the table overnight, you would find the following m
If you left your book on the table overnight, you would find the following m
游客
2025-02-03
25
管理
问题
If you left your book on the table overnight, you would find the following morning that it was still exactly where you had left it, provided nobody had moved it. If a ball is made to roll on a very smooth surface, it will roll a long distance unless something stops it or changes its direction. This tendency of an object to remain at rest unless something moves it and to continue moving unless something stops it is known as the Law of Inertia.
The following examples show the truth of this law.
(a) Put a table-cloth on a table and arrange a pile of books on it. Hold one edge of the table-cloth and pull it quickly. The table-cloth will come off, leaving the pile of books undisturbed.
(b) Place a small piece of cardboard on an open jar and place a coin on it directly over its mouth. Use one finger to flick the piece of cardboard away. You will notice that the coin drops into the jar.
(c) Sitting in a car which starts suddenly, you feel you are jerked backwards. In fact, you are not jerked backwards. Your lower half, which is in contact with the cushion, is forced to move forward with the car, and the upper part of your body, which remained at rest, is left behind. [br] Which of the following is an example of inertia?
选项
A、A boat can stay on water.
B、A plane can fly in the air.
C、You can walk faster on a very smooth surface.
D、You can go forward and backward on a swing.
答案
D
解析
见第一段中的最后一句,因此选项D为答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3940706.html
相关试题推荐
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
Ifyouleftyourbookonthetableovernight,youwouldfindthefollowingm
随机试题
Wehaveallseensuchfilmsinwhichrobotsaresuperiortoman.Comparedwi
ReadingPassage2hassixparagraphs,A-F.Choosethecorrectheadingforeachp
企业的最佳资本结构应该最小化企业资本成本。()
A.依地酸二钠钙 B.亚甲蓝 C.氟马西尼 D.二巯基丁二酸 E.纳络酮
《医疗机构从业人员行为规范》的执行和实施情况,应列入A.医疗机构等级评审 B.
民主推荐、民主测评必须坚持,但在推进过程中也要注意解决简单以票取人、拉票行为蔓延
(2018年11月)简述劳动争议处理的基本程序。
如图所示,对称结构梁在反对称荷载作用下,梁中间C截面的弯曲内力是( )。 A
投保人解除合同的,保险人应当自接到解除合同通知之日起三十日内,退还保险单的()
企业在日常经营活动中发生的,会导致所有者权益减少的、与向所有者分配利润无关的、能
最新回复
(
0
)