你理解绷簧测力计吗?

上的器材感想什么是弹
    指导先生应用桌
版渊力
默盼洲力’lll–z!
燃班狰始爸懿碰黼懋S麟厨弼
..1″J.砷+,i’    -’

呢?你理解绷簧测力计吗?;
请你们车间议论后说给别人听听,都有哪些
    (2)同窗们定然晓得一些测帚力的T具,
为它们都发作了    。
的缘由,议论后给弹力
是弹力,综合弹力发生
桌上的器材,经验什么
  细心视察,运用课
运用的绷簧测力仪
4.指点先生视察本车间
计.
同用处、1i同外形的测力
  3播放幻灯机片:展现没有
是测景质景的。
                                           ┃                        ┃                      ┃              ┃
┃                                                          ┃                        ┃                      ┃              ┃
┃  每一打格示意    N,每一小格(分度值)                   ┃                        ┃                      ┃              ┃
┃    C.我运用的绷簧测力汁的量程是一N,                    ┃                        ┃                      ┃              ┃
┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫                        ┃                      ┃              ┃
┃    .                                                    ┃                        ┃                      ┃              ┃
┣━━━━━━━━━━━━┻━━━━━━━━━━━━━━━━┫                        ┃                      ┃              ┃
┃    B绷簧测)           ┃J计的原理是                     ┃数,更要关心学困生。-3-
┗━━━━━━━┻━━━━┻━━━┻━━━━━━━━━━━━┻━━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━┛
┃    填一填:  ┃弹2     ┃}测: ┃j汁的准确运用办法:(l)  ┃                        ┃                      ┃              ┃
┃              ┃        ┃      ┃                        ┃用状况。                ┃                        ┃                      ┃              ┃
┃              ┃    ’  ┃卜    ┃  ?一                  ┃                        ┃                      ┃              ┃
┃              ┃—.、  ┃r‘   ┃                        ┃                        ┃                      ┃              ┃
┃              ┃5.=    ┃:.5 ┃                        ┃                        ┃                      ┃              ┃
┃              ┃    :  ┃:    ┃                        ┃                        ┃                      ┃              ┃
┃              ┃●.三  ┃}4    ┃                        ┃                        ┃                      ┃              ┃
┃              ┃    :  ┃:    ┃                        ┃                        ┃                      ┃              ┃
┃              ┃3_三    ┃三.3 ┃                        ┃                        ┃                      ┃              ┃
┃              ┃    :  ┃:    ┃                        ┃                        ┃                      ┃              ┃
┃              ┃2.三   ┃}2    ┃                        ┃                        ┃                      ┃              ┃
┃              ┃    N   ┃      ┃                        ┃                        ┃                      ┃              ┃
┃              ┃        ┃      ┣━━━━━┻━━━━━━┫                        ┃                      ┃              ┃
┃              ┃1-三    ┃影    ┃          ┃            ┃                        ┃                      ┃              ┃
┃              ┃    :  ┃      ┃~    /  ┃            ┃                        ┃                      ┃              ┃
┃              ┃0_:    ┃=10   ┃          ┃            ┃                        ┃                      ┃              ┃
┃              ┃    1   ┃I     ┃暾轳      ┃            ┃                        ┃                      ┃              ┃
┣━━━━━━━┳━━━━┳━━━┳━━━━━┳━━━━━━┫                        ┃                      ┃              ┃
┃                                  厂    、                ┃                        ┃                      ┃              ┃
┃    A                                                     ┃                        ┃                      ┃              ┃
┃                                                          ┃                        ┃                      ┃              ┃
┃    D.下图中某个力的人小是    N。                        ┃                        ┃                      ┃              ┃
┃  示意_  ___N。)  ┃                      ┃理..        ┃
┣━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━┫                        ┃                      ┃              ┃
┃    等组成。                                              ┃值的状况,会准确读示    ┃                      ┃途、构造及原  ┃
┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫                        ┃                      ┃              ┃
┃    fT具,次要是由    、                                  ┃生的意识每一人品、分度  ┃  相签字.            ┃测力计的用    ┃
┃    A.绷簧测力计是一种罕用的丈量                         ┃生做练列(尤其是审查学  ┃  所学学问,车间内互  ┃巩赞同识绷簧  ┃
┃    (3)巩同练列:                                         ┃5.播放幻灯机片:指点学   ┃    4.做习题,巩同   ┃使先生进一步  ┃
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━┓
。                ┃相签字,              ┃小.          ┃
┃吗?          ┃        ┃      ┃                        ┃                        ┃                      ┃              ┃
┃              ┃        ┃      ┃                        ┃2.审查先生的校零、使   ┃2.做巩同习题,同位互 ┃地测出力的大  ┃
┃用办法”,i: ┃i仔!   ┃d瞬J  ┃虞,试试能白己金鸡独立操作  ┃                        ┃                      ┃              ┃
┃              ┃        ┃      ┃                        ┃法”                    ┃运用办法”.          ┃计,能力精确  ┃
┃项,课本髓    ┃6给     ┃出了  ┃“绷簧测力计的准确使    ┃                        ┃                      ┃              ┃
┃              ┃        ┃      ┃                        ┃簧测力计的准确运用方    ┃“绷簧测)J计的准确    ┃用绷簧测力    ┃
┃    每种测    ┃最t     ┃.器{ ┃骂有其运用办法和留意事  ┃1.指点先生浏览P86“弹  ┃1.先生逐条浏览P86    ┃只要迷信地使  ┃
┃    3.学j    ┃I正j    ┃龟镁  ┃用绷簧测力计:          ┃                        ┃                      ┃              ┃
┃              ┃        ┃      ┃,.  。
        ┃
┃  (2)把~根头发拴绷簧测力计的挂钩上,用     ┃    2.指导先生议论如何 ┃    2.议论如何读出头 ┃准确运用绷簧    ┃
┃  有多人。              ┃顺利高兴,小结失利的  ┃功的伤心。人西洋参加,人人  ┃力的人小认识。                          ┃                        ┃测力计并读数          ┃发的强度是没有    ┃
┃  (3)用绷簧测为计丈量小石块、水块、~个     ┃大小                    ┃    3.练刊运用绷簧   ┃3.没有同事的头   ┃
┃力拉头发,读出拉断时张力的人小:            ┃读出头发拉断时张力的    ┃发拉断时张力的人小    ┃测力计。      ┃度。                ┃                ┃
┃同窗们议论橡皮筋(或者绷簧)如何同定?如何    ┃适逢其会点评。              ┃成绩并试验解    ┃
┃的测力计。  ┃
┃  (1)用手拉绷簧测力计的挂钩,使表针指到     ┃                        ┃    1.感想具膂力的   ┃1.构成初步的   ┃
┃    5我会丈量:                             ┃                        ┃                      ┃                ┃
┣━━━━━━━━━━━━━━━━━━━━━━┫                        ┃                      ┃                ┃
┃正在    上。                                  ┃                        ┃                      ┃                ┃
┃时,测力计内的绷簧轴线位置跟所测力的位置    ┃                        ┃                      ┃                ┃
┃否对于齐,若没有对于齐,要停止调理;(4)测力     ┃                        ┃                      ┃                ┃
┃  (3)校零:测力前要审查    和    是         ┃                        ┃                      ┃                ┃
┃理解绷簧测力计的    ;(2)明白    ;         ┃                        ┃                      ┃                ┃
┏━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━┓
。      ┃
┃    2.制造一度镇纸(或者绷簧)筋测力计:     ┃审查先生的丈量状况并    ┃程及思绪和感想.分享  ┃的戏台,试验成  ┃
┃铁架台、铁夹一度、硬纸板一度、摁钉儿等。                                  ┃指导先生议论制造镇纸    ┃想方法,设想试验齐头并进  ┃时让他们发觉    ┃
┃组能够各显三头六臂,做成既繁难美妙又刻度精确    ┃                        ┃1.组员问竞争,议论、 ┃先生踊跃性,同  ┃
┃用以次器材制造一度测力计呢?置信你们小      ┃                        ┃                      ┃一步激趣,安置  ┃
┃    进修了绷簧测力计的丈量原理,你能_含利   ┃                        ┃                      ┃用白土试验进    ┃
┃    三我能行:(我理论我伤心!)            ┃                        ┃                      ┃                ┃
┃                                            ┃                        ┃                      ┃的.            ┃
┃                                            ┃                        ┃                      ┃的作用是彼此    ┃
┃拉,看看谁的张力人些,想想干什么?          ┃                        ┃                      ┃4.再次感想力   ┃
┃  (4)用两个绷簧测力计正在程度位置上相互       ┃                        ┃                      ┃一样的。        ┃
┃或者多少个钩码的人小。          ┃经验                  ┃2.让先生学会   ┃
┃  IN、SN、ION,感想一下IN、SN、ION的力      ┃    1.分批审查指点,询 ┃人小。-4-
┗━━━━━━━━━━━━━━━━━━━━━━┻━━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━┛
┃的人小,                                    ┃                        ┃                      ┃                ┃
┃    3.用制造好的测力计试着丈量一些力       ┃                        ┃                      ┃                ┃
┃标点它的刻度?                              ┃                        ┃经验。                                  ┃问详细测最值。                    ┃解说甲组试验制造过    ┃先生宣扬共性    ┃
┃一条)、钩码好多、I丌形针一度、棉线一段、  ┃骤,打破如何标点它的刻  ┃2.车间为部门展现,并 ┃决成绩,需要应  ┃
┃    1.学具:用一条或者多少条橡皮筋(或者绷簧     ┃筋(或者绷簧)测力计的步  ┃行试验。
-5-

  ┃                      ┃的先生调配没有    ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃    六、而詈工作:                        ┃安排工作:                ┃先生课下实现工作      ┃对准于1i同档次    ┃
┣━━━━━━━━━━━━━━━━━━━━━╋━━━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━┫
┃                                          ┃                          ┃                      ┃                ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃正在    上。    ┃
┃    1、因物体发作    而发生的力叫弹       ┃                          ┃                      ┃                ┃
┃                                          ┃学案中当堂达标试题,看    ┃                      ┃念,理解生涯中  ┃
┃你是没有是最棒的,实现下列标题看看吧1       ┃                          ┃                      ┃                ┃
┃                                          ┃上面请同窗们金鸡独立实现      ┃先生金鸡独立实现试题      ┃l题考察弹力概   ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃共1∞分)                                 ┃                          ┃                      ┃                ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃    五、当堂达标测试(每题20分            ┃                          ┃                      ┃                ┃
┏━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━┓
。                                                                                     ┃
┃    _、绷簧测力计:                                                                                             ┃
┃    一、殚力:冈物体发作惯性形变而发生的力叫弹力。    ┃                      ┃方式的工作,做  ┃
┃  A(必做题):教材P87第1题               ┃                          ┃                      ┃                ┃
┃                                          ┃B第2题为理论运动题,      ┃                      ┃同梯度或者1i同    ┃
┃  分层工作,停滞共性                      ┃                          ┃                      ┃                ┃
┃                                          ┃A为必做题一t:书面做业。                                ┃                          ┃                      ┃                ┃
┃内的绷簧轴线位置跟所测力的位置            ┃                          ┃                      ┃                ┃
┃没有对于齐,要停止调理;(4)测力时,测力计   ┃                          ┃                      ┃                ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃查    和    是台对于齐,若                  ┃                          ┃                      ┃                ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃确    :(3)校零:测力前要检               ┃                          ┃                      ┃                ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃绷簧测力计的    .(2)明                   ┃                          ┃                      ┃                ┃
┃    5.绷簧测力计的准确运用办法:(1)理解  ┃                          ┃                      ┃                ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃    。                              ┃                          ┃                      ┃                ┃
┃                                          ┃                          ┃                      ┃绷簧测力计的    ┃
┃    3、绷簧测力计土耍有____、             ┃                          ┃                      ┃                ┃
┃                                          ┃检测!学爿成效            ┃                      ┃先生准确运用    ┃
┃                                          ┃                          ┃改错。                ┃5题进,‘步考察 ┃
┣━━━━━━━━━━━━━━━━━━━━━┫                          ┃                      ┃                ┃
┃    。          ┃                      ┃的弹力景象。          ┃
┃                                          ┃                          ┃                      ┃掘,并训练各族  ┃
┃                                          ┃                          ┃                      ┃其潜能充足挖    ┃
┃                                          ┃                          ┃                      ┃到冈材施教,将  ┃
┃  B(选做题):教材P87第2题               ┃                          ┃                      ┃                ┃