专题5 受力分析作图
类型 INCLUDEPICTURE "1.TIF" INCLUDEPICTURE "E:\\李慧\\25总复习课件\\同步YH物理\\TIFF\\1.TIF" \* MERGEFORMATINET 静止状态
1.图1-甲所示的桌上书架由支架和L型书台构成,图1-乙是其简易结构图,若L型书台的表面绝对光滑,请以O点为作用点,画出书的受力示意图。
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图1
2.图2所示是小明爬杆时静止在杆上的情景,请在图中画出小明在竖直方向上的受力示意图。(O点为小明的重心)
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图2
类型 INCLUDEPICTURE "2.TIF" INCLUDEPICTURE "E:\\李慧\\25总复习课件\\同步YH物理\\TIFF\\2.TIF" \* MERGEFORMATINET 匀速直线运动状态
3.如图3,物体在拉力F的作用下水平向右做匀速直线运动,请画出物体的受力示意图。
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图3
4.如图4,小明站在电梯上随电梯匀速上行。图中O点为小明的重心,请画出他此时的受力示意图。
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图4
5.如图5,货物随传送带一起斜向上匀速运动,请画出货物的受力示意图。
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图5
6.如图6所示,小明用一个沿斜面向上的力F将大箱子推进车厢(推力F已画出),请画出箱子沿斜面向上运动时所受其他力的示意图。(O点为箱子的重心)
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图6
7.如图7-甲,一只丹顶鹤正沿斜向上方向匀速直线飞翔,图7-乙是此过程的简化示意图,其中O点为丹顶鹤的重心。请在图乙中画出此过程丹顶鹤所受重力及空气对它的作用力的示意图。
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图7
8.(2024东莞一模)如图8所示,一小车水平向右匀速运动,车厢顶部用细绳竖直悬挂着一个小球,小球与竖直车厢刚好接触。请画出小车水平向右匀速运动时小球的受力示意图。
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图8
类型 INCLUDEPICTURE "3.TIF" INCLUDEPICTURE "E:\\李慧\\25总复习课件\\同步YH物理\\TIFF\\3.TIF" \* MERGEFORMATINET 非平衡状态
9.如图9所示,用细线拴住橡皮,用手拉紧细线使橡皮绕手做匀速圆周运动。请画出橡皮此时的受力示意图。(不计空气阻力)
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图9
10.如图10,木块在粗糙的水平面上向右滑行,请画出木块向右滑行时的受力示意图。
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图10
11.请在图11中作出物体A沿光滑斜面下滑时的受力示意图。
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图11
12.如图12-甲所示,避险车道内铺有厚厚的碎石,失控车辆一旦冲入就会因陡坡、碎石摩擦而快速停下,这在很大程度上保护了驾乘人员和车辆的安全。请你在图12-乙所示的简化图中画出失控车辆冲入避险车道减速滑行时的受力示意图。
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图12
13.(2024深圳模拟)图13-甲是火箭在大气层外加速升空的情景,请在图13-乙中作出火箭此时的受力示意图。
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图13
14.水平向右行驶的列车突然刹车,致使车厢内水平桌面上的一本书相对于桌面向右滑行了一段距离,如图14所示。请你画出书在滑行过程中的受力示意图。
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图14
15.图15-甲是某物体运动的v-t图像,请在图15-乙所示的坐标系中画出其对应的s-t图像。
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图15
16.如图16-甲,用水平推力F推静止放置在水平地面(粗糙程度不变)上的木箱。此过程中,推力F随时间t的变化情况如图16-乙,木箱前进的速度v随时间t的变化情况如图16-丙。请在图16-丁中画出0~4 s内地面对木箱的摩擦力f随时间t变化的图像。
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图16
专题5 受力分析作图
1.如答图1所示
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答图1
2.如答图2所示
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答图2
3.如答图3所示
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答图3
4.如答图4所示
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答图4
5.如答图5所示
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答图5
6.如答图6所示
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答图6
7.如答图7所示
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答图7
8.如答图8所示
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答图8
9.如答图9所示
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答图9
10.如答图10所示
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答图10
11.如答图11所示
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答图11
12.如答图12所示
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答图12
13.如答图13所示
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答图13
14.如答图14所示
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答图14
15.如答图15所示
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答图15
16.如答图16所示
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答图16