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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: 匿名未登录  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 machj li-eb) 3v8f9k 4xzyhine 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 advanm:1w-slojcj4ke( ccx 3 d-sek* rgi8,tage for the pulley system shown to the o3 *i 1mg(rckk es ,e:d8w-jj xl4-ccsright?

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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 ::mar k/ok gc q8o9yk3comprised of the inclined plane and pulley shown, a 75N force is required to slide a 8korm/ : gq yko9c3a:kbox 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 ooa+ 2mp8-luu:jya v*p f 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 suja +y pvu*8-:l2 muaporface at a constant speed. What is the actual mechanical 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-bcla.k:( w*i hc1jp q shown, which one of the following choices best represents the value of the i.hp1 ij: k-wlaq*bc(c ncline’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 movesqv,p*q: fseu+13lop*t 0mbdd 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:plqbmd , pvst+d 1o*uf30*q e 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 kg moves along the +x- axis with a kinete8sxaha 5w*t*ic energy of 16.0 J. A net horizonttasw**5xeh8a al 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, two bodies make ahead-on collir:3brmti fzso f7s 0,,sion and stick together. Body 1 has a mass of 3.5 kg and initially moves to thm fsz,s0:f7t,3bi orre 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, two bodies make az46mmfk5 )x jq5g /zothead-on collision and stick together. Body 1 has a mass of 3.5 kg a) q5kzft /o5gj6zm4mx nd 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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