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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 do i,1i dbnr g6o-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:uuchgvo43p:0yqk: + fhv w a* mechanical advantage for the pulley system shown to the qa fhhu:p*uvw:4y3 +0vogck: right?

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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 compkxa5+ v ltee,d/,x9h05arwl wrised 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. Whate+h,kta5 wx xelard/5 l0 ,wv9 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 parallel to the /kew/zad2 2bmincline’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 advantagmwbk/d/ea2 2z e (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 plan6* z7/n tmjb j*yg v6ap6rswo:,pwn1fe shown, which one of the following choices best represents the value of the incline’s im:p6vs*ba/o p6nnjjz6,tg71* wwfr ydeal 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 thk4x er.:6rb df9 toes2e 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 d.:4exfr6tso e9b2r kthe 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 alo 3 atgajz q5ionr i;cw684i3w,ng the +x- axis with a kinetic energy of 16.0 J. A net horizontal force actingjng3q ii;ocrzaw6ti58,4 3 wa 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 surfac. k /(futh.ka: k f4ax-xcum0re, two bodies make ahead-on collision and stick together. Body 1 has a mass of 3.5 kg and initially moves to the right wmxcux(0fk/h.r-tk4 ka:u .a fith 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)c etgesbl)vai( m1,;ejcl7+a l hw *1, 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 at rest. A grapt ljeg,)a1w1+se) l hace;vcb 7*il(mh 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)
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    总分:9分 及格:5.4分 时间:不限时
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