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习题练习:Mechanical Advantage

 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 machine can NOT do which*95oh5 z*3dcw.pplie nd ty0 5qbror* 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 io(4 s7vcfgi c 1psjx67g plb;;deal mechanical advantage for the pulley system shown to the rsi6 sp;xbj7c f7 ;g1pv4log c(ight?

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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 olluw:g h (2ift+)lf m3f the inclined plane and pulley shown, a 75N force is required to slide a box with mass M=10 kg up the incline at a constant speed. What is the efficiency of this compoun:+2mfl futw(i )l 3lghd 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 applw hi9 k k0te6 ug5)4cepozt;w7ied parallel 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 mechani)94 tgpie5h 0te6c ;wuozkw7kcal advantage (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 choices w.rmv34,ku.jah) i y wi h0x1t best represents it4,vj1y .3kxhir.)0m whwu athe value of the incline’s 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 object of mass 2.0 kg moves along the x- axis with a vs)nqy+7y/ nqh)8vd at elocity 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 a8t q/ vsy+dnyh7)n)qwas done by the force?


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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 object of mass 2.0 kg moves along su wt-*xcl:0e- 1/rj3pgprsm the +x- axis with a kinetic energy of 16.0 J. A net h0u ptlw/ s1c 3jprerxm* :g--sorizontal force acting along the x-axis is applied to the object with the force- position profile 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, t c85*)+b ev(xekl asf.we8zv fwo bodies make ahead-on collision 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 graph oc* 8a5. f) w+fezxkvev(sb8lef 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 7qv7 syl;nh9q a52wap surface, two bodies make ahead-on collision and stick together. Body 1 has h;s 7np waa57q 9vql2ya mass 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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