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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 of the following: -3lv.4 tor v6b);op ;ymgosvk


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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 system shown to tgkjn22ew,d1cen0u lmt8( pjl(9, wfthe right? l jd0tfj ,pcte(kg9n8e l(,un12 mww2

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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 comprisngd) 60x+x,nkewiiw1ed 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 of1kxi6dg nw, 0ew+ inx) 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 3ce:/de3g 5a+pl /5z fklck)/off trtapplied parallel to the incline’s surface is needed to pull thdkt cz3:3 //lao5kteflg5/)crffpe +e object of mass M=10 kg along the entire length of the incline’s surface 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 shown, which one of the following choice039r lhj kb-ajd)(nn is best represents the value or nkhd)i0(l-ab n 3jj9f 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 o)i ,vyug:.ltfbject of mass 2.0 kg moves along the x- axis with a velocity of +4.0 m/s. A net horii y.)vulgft,:zontal 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?


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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 mofs s s*6k/c-j.2ae nnsves along the +x- axis with a kinetic energy of 16.0 J. A net horizontal force sase n*s2.sj/6knfc -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 horizonta9dya:+ h 2umj.sxb1g xe0(v p+,as7azqg6vq tl surface, two 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 a7vths6gqu( vxa: z,1yab.+axe q+0 9mg sjdp 2t 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 ahead-on 09;; mxe)a muzs8yupjcollision and stick together. Body 1 has a mass of 3.5 ) yxup;jzs ;ua0em98m 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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