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习题练习：Mechanical Advantage
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 作者: admin  发布日期: 2024-08-13 15:22    总分: 9分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月07日 15:59  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.10: A simple machineubhajk+g;mj 8; 77imj can NOT do which of the following:


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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.13: What is the ideal mechanical advantage for b0aujnkz7equx)3** tj f (0pxn0k 2 ftthe pulley system shown to the rfn03(u2x u)*zek j0t j0t7f aq*knpbxight?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.39: For the compound machine comprised of the incline9h :ohs .tmh043lisu od plane and pulley shown, a 75N force is required to slide alho hshmi ou0934.t s: box with mass M=10 kg up the incline at a constant speed. What is the efficiency of this compound machine?


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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.36: For the inclined plane shown, a force of 150 N applied qs1+sil 6 cra ,b6p i6*4j1*kxxhq ataparallel to the incline’s surface is needed to pull the object of mass M=10 kg along the entire length of the incline’s surface at a constant speed. What is the actual mechanical advantk rj ixs* laaq+,1it6a61q4bxhs *cp6age (AMA) for this scenario?


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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.13: For the inclined plane shown, which one of the following choic*a/cryk39b 8jmmj:b zes best represents the value of the incline’s9j3 zm br m8/abjyk:*c ideal mechanical advantage?


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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.45: A point-like obj y3i 5 hhvvo)jrcyvxobm48mdy*lf02))a4,la ect of mass 2.0 kg moves along the x- axis with a velocity of +4.0 m/s. A net horizontal force acting along the x-axis is applied to the object with the force-time profile shown. What is the total work that was done by the force? 0) ovlvxyfib 5m y)vjl24m h,*daychao r4)83


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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.17: A point-like obje b,prlvcx j*36ct of mass 2.0 kg moves along the +x- axis with a kinetic energy of 16.0 J. A net horizontal force acting along the x-axis is applied to the object with the force- position pr xrl63vc*pj b,ofile shown. What is the total impulse delivered by the force (units in kg m/s).



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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.27: On a frictionless horizontal surface, two bodies make ahead-on col4o2fe0u)z4w3i fq eeehfd z ;6lision and stick together. Body 1 has a mass of 3.5 kg and initially moves to the right with speed 7.0 m/s. Body 2 initially is at rest. A gr2q4duhe3zf)f ewz; oe0i6e4faph of the force exerted onto Body 2 from Body 1 during the collision is shown.
What is the mass of Body 2?


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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.28: On a frictionless horizontal surface, two bodies make ahead-on collisiwx *a,.sn hucj9qr prz0n -s:,on and stick together. Body 1 has a m0,znu9rc -j*.wx,sa spn:rhqass of 3.5 kg and initially moves to the right with speed 7.0 m/s. Body 2 initially is at rest. A graph of the force exerted onto Body 2 from Body 1 during the collision is shown.
How much kinetic energy was transformed to other kinds of energy from the collision?


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  • 姓名:游客(未登录)
    •
    总分:9分 及格:5.4分 时间:不限时
    未答题: 已答题:0 答错题:
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