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1 napkin:a piece of fabric or paper used at meals for protevting your clothes and cleaning your lips and fingers2 roll:an act of rolling the body over and over3 dessert:sweet food eaten at the end of the meal4 lap:the top part of your legs that forms a flat surface when you are sitting down5 cloth:fabric made by weaving or knitting cotton ,wool ,silk ,etc.6 custom:an accepted way of behaving or of doing things in a societynor a community7 starter:a small amount of food that is served before the main course of a meal 8 course:a series of lessons or lectures on a particular subject9 breast:the top part of the front of your body ,below your neck 10 flesh:the soft substance between the skin and bones of animals or human bodies11 bone:any of the hard parts that forms the skeleton of the body of an human or an animal12 sip:to drink sth,taking a very small amount each time13 advice:an opinion or a suggestion about what sb should do in a particular situation14 fashion:a popular style of clothes,hair,etc.at a particular time or place ;the state of being popular15 spirit:the part of a person that includes their mind,feelings and character rather than their body16 wing:one of the part of the body of a bird,insect or bat that it uses for flying17 comma:usesd to separate the items in a list or to show where there is a slight pause in a sentence18 childhood:the period of sb`s life when they are a child19 relic:an object,a tradition,etc.that has survived from a period of time that no longer exists20 pyramid:a large building with a square or triangular base and sloping sides that meet in a point at the top.the ancient Egyptians built stone pyramids as places to bury their kings and queens .21 Egypt:a country22 stonehenge:23 statue:a figure of a person or an animal in stone,metal,etc.usually the same size as in real life or larger24 capsule:a small container which has a measured amount of a medicine inside and which dissolves when you swallow it25 fairytale:a story about magic or fairies,usually for children26 ruin:the state or process of being destroyed or severely damaged27 beauty:the quality of being pleasing to the senses or to the mind28 photograph:a picture that is made byusing a camera that has a film sensitive to light inside it29 bronze:a dark reddish-brown metal made by mixing copper and tin30 manner:the way that sth is done or happens

笨笨熊为你回答： 1餐巾2球3甜品4膝部5布6风俗7简化版8课程9胸部10肉11骨头12啜饮13建议14时尚15精神16羽翼17逗号18童年19遗迹20金字塔21埃及22巨石阵23雕像24胶囊25童话26毁灭27美貌28照片29铜牌30方式 累死了- -!!

从失去力的作用的瞬间，沿即时速度的方向作匀速直线运动。因为力是改变物体运动状态的原因，失去力的作用，物体将保持原来的匀速直线运动状态或静止状态。值得注意的是：物体作圆周运动时，由于受到向心力的作用，他的运动状态一直在改变。

请先搞清楚小物体所受的所有的力,然后再提问题.小物体若突然失去了任何力的作用是不可能的.如果没有了"任何力"又何来物体?

保持原有状态。