弹簧测力计的正确使用方法
什么?用纸也能烧水?
温度计居然也能自己做?
初中物理力学原理动图!
弹簧测力计的使用方法
力的作用是相互的
力使物体发生形变
重力方向总是竖直向下
测量不规则物体的重心的方法
影响滑动摩擦力大小的因素
探究阻力对物体运动的影响
探究二力平衡的条件
惯性
伽利略理想斜面实验
压强
压力的作用效果
探究影响液体压强的因素
连通器原理
托里拆利实验
活塞式抽水机的原理
探究流体压强
阿基米德原理
浮力的原理
探究浮力的大小跟哪些因素有关
探究浮力的大小和排开液体所受重力的关系
测量浮力大小
测量铝块浸没水中所受的浮力
盐水浮鸡蛋
密度计的使用
潜水艇原理
机械效率
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巩冰德872弹簧测力计的正确使用方法是:(1)测量前了解弹簧测力计的______,认清每个大、小格表示多少______,检查弹簧测力计的指针是否在______.(2)在... -
井妮婕17149205449 ______[答案] 弹簧测力计的正确使用方法是: (1)测量前了解弹簧测力计的量程,认清每个大、小格表示多少N,检查弹簧测力计的指针是否在0刻度线. (2)在测量物体重力时,要使弹簧测力计内的弹簧轴线方向跟重力方向一致,读数时,眼睛观察指针的视...
巩冰德872弹簧测力计的正确使用:(1)使用前必须检查 是否对准 ,未对准时应“校零”; (2)仔细观察测力计的 和不用弹簧测力计量超过它的 的力,否则会损坏弹簧测... -
井妮婕17149205449 ______[答案] 弹簧测力计的正确使用:(1)使用前必须检查(标尺)是否对准(零刻度线),未对准时应“校零”;(2)仔细观察测力计的(量程)和(分度值),不用弹簧测力计量超过它的(量程)的力,否则会损坏弹簧测力计;(3)读数时,视线与刻度线(保持水...
巩冰德872弹簧测力计的使用方法有下面两点:1、了解弹簧测力计的量程,使用时不能测量超过量程的力;2、用弹簧测力计测力时,要使弹簧测力计的受力方向沿弹簧... -
井妮婕17149205449 ______[答案] 任何测量工具在使用时,都不允许测量值超过其量程,因为会损坏测量工具, 因为弹簧测力计的原理是:弹簧受的拉力与其伸长成正比,拉力自然必须是沿弹簧的轴线方向了, 读数时,视线要与刻度盘垂直,这样读数就不会有偏差.
巩冰德872弹簧测力计的正确使用方法要正确啊 -
井妮婕17149205449 ______[答案] 测量力的大小的工具叫测力计,在实验室常用的测力计是弹簧测力计. 弹簧测力计的原理是:根据弹簧受到的拉力越大,弹簧伸长越长的原理制成. 使用时注意事项: ①观察量程:就是观察弹簧秤面板上的最大刻度值.注意加在弹簧秤上的力不能超过...
巩冰德872使用弹簧测力计测量力的步骤使用弹簧测力计的步骤中,正确的操作顺序应为_______1.轻轻来回拉动挂钩 2.把待测施力加在挂钩上 3.观察弹簧测力计的量... -
井妮婕17149205449 ______[答案] 顺序:3-4-1-2-5 1的作用:①防止挂钩和外壳有摩擦 ②看挂钩能否回到原刻度(为了看挂钩能否回到原刻度,为了方便读数,原刻度一般是0N,即先调整弹簧测力计指针位置,再轻轻来回拉动挂钩)
巩冰德872如何用弹簧测力计“准确”? -
井妮婕17149205449 ______ 探测测力计使用方法: (1)使用弹簧测力计时,首先要看清其量程,所要测量的力不能超过它的量程.因为弹簧是有一定弹性限度的,超过这个限度测量就不准确,还有可能损坏测力计. (2)测量前要看清楚弹簧测力计的分度值,以便测量时...
巩冰德872使用弹簧测力计时要注意看清它的______,加在弹簧测力计上的力不许超过它的______,否则将会______弹簧测力计. -
井妮婕17149205449 ______[答案] 使用弹簧测力计时要注意看清它的量程和分度值,加在弹簧测力计上的力不许超过它的最大测量值,否则将会损坏弹簧测力计. 故答案为:量程和分度值;最大测量值;损坏.
巩冰德872弹簧测力计的正确使用方法是:(1)测量前要了解弹簧测力计的 - -----------,要明确------------,还必须 -
井妮婕17149205449 ______ (1)测量范围(或量程),分度值,校零 (2)所测力的 (3)相平 (4)数字,单位
巩冰德872弹簧测力计的正确使用方法:(1)了解弹簧测力计的 - -----,不要测量超过它量程的力;(2)明确------:了 -
井妮婕17149205449 ______ 弹簧测力计的正确使用方法:①首先要看清它的量程,加在弹簧测力计上的力不许超过它的量程;②明确分度值,即一小格表示的力的大小;③校零:测力前要使指针对准零刻度线;④测力时,要使测力计的弹簧轴线方向跟力的方向在同一直线上,弹簧不能靠在刻度盘上. 故答案为:(1)量程;(2)分度值;(3)校零.
巩冰德872 弹簧测力计的正确使用方法是:(1)测量前要了解弹簧测力计的____________,要明确____________,还必须要________ - .(2)在实... -
井妮婕17149205449 ______[答案] (1)测量范围(或量程),分度值,校零 (2)所测力的 (3)相平 (4)数字,单位