JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.
國三上理化3-4槓桿原理課文重點複習
請輸入你的E-MAIL方可作答, 作答方式: 針對( )填入正確答案, 共10格,滿分100分(可重複作答)
Sign in to Google
to save your progress.
Learn more
* Indicates required question
當物體同時受到數個力矩作用時,可用一個力矩表示這些力矩的總效果。此力矩稱為( ).
*
10 points
Your answer
如圖4.所示,有一物體重W為180kgw放置於一槓桿上距支點d1為40cm處, 欲在距支點d2為90cm處施力F至少須為( )kgw才能讓此槓桿維持水平平衡.
*
10 points
Your answer
轉軸(或支點)至力的作用線的垂直距離, 稱為( ).
*
10 points
Your answer
施力臂 × 施力 = 抗力臂 × 抗力 稱為( ).
*
10 points
Your answer
(A)=0 表示物體不轉動,(B)=0表示物體不移動 。則A . B = ( ) [ 答案間需空1格]
*
10 points
Your answer
力矩有( )性.
*
10 points
Your answer
施力使物體繞著轉軸(或支點)旋轉的物理量, 稱為( ).
*
10 points
Your answer
可繞著固定的支點(或轉軸)旋轉的裝置稱為( )
*
10 points
Your answer
力矩愈大,物體愈容易( )。
*
10 points
Your answer
如圖3.所示,一根以C點為轉軸的木棒,分別受到 F1=100gw . F2=200gw . F3=400gw 三個力, 已知AB=30cm . BC=20cm . AD=40cm ,則此三力的合力矩為( )cm-gw
*
10 points
Your answer
Submit
Page 1 of 1
Clear form
Never submit passwords through Google Forms.
Forms
This form was created inside of 南投國中.
Report Abuse
Terms of Service
Privacy Policy
Help and feedback
Contact form owner
Help Forms improve
Report