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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 machine can NOT db clyho4- j;(to 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 the pulley systemx33 yebvluhk6k (3rt j);y.y k shown to the righ ey6.yx(kk;)u3rk3vjl 3hyt b t?

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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 compountuycnk5boa 7 7+m28 jrd machine comprised of 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 b+kt7 aojmrc52y8nu7 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 s8vz4 )n bniydoo.utr 5g /n.h2hown, a force of 150 N applied 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 mechanical advantagty/5ozr ud .)gn28o4nh vn.b ie (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 nd crt(t/;d-(kex*3- lnmhbqthe following choices best represents the value of the incline’s ideal c- kl/dhr;(3nnqxm-*b t(det 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 alo/q5:f j fyzx8eqsw;j ,ng 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 withf,q y8:5fx/zq; jjesw the force-time profile shown. What is the total work that was 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 4t;x /egnflyhj-75zn39s,roirr go+ 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 profile shown. What is the total impulse deliv7r9 yog;oj ,xhft slin4r5-+ r /3zgneered 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-o )g(awtc-2 t8 ks*+wuuyje;bbn collision and stick together. Body 1as8y )buw+2t- g;bektwju( c* 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 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, twt5r8)v 2iclhd o 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 of the force exerted onto Body 2 from Body 1 durdih52trc)8vl ing 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)
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    总分:9分 及格:5.4分 时间:不限时
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