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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 machine can NOT do which of the sbfj+(c s0w 07qxm ,ejjc,uu; 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 system .*zrk1rj6 4azl+x xn pj+2qyb shown to the right?jxr6 x*a1 jnlz.k24+pybrz q +

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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 of the inclin n jaio 4o7she25xcgw:h;gm zk0.;rh t.3x(rned 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 compound z r ke:.sch02to.r(5hjxag; x37wm ;o 4n gnhimachine?


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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 forg a.vg()3eorhce of 150 N applied parallel to the incline’s surface is needed to pull the a)g eg .vo(r3hobject 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 pla zsjn,,vnk/2q ywu5xpfxg: 5)ne shown, which one of the following choices best represxkxpw: jn5zq) v n2 ,5g/,sfyuents the 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 dpljo + (ywk/zs,: ;pgmoves 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-timd (+ gkwsolyp/z:,jp;e 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 moves along the +x- axis with a k-lh9,jr5n ar,*i gxtw inetic energy of 16.0 J. A net horizontal force ac wr5-9nhaijrl t,g ,x*ting 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 3 4zjulm6v gm:bodies make ahead-on collision and stick together. Body 1 has a mass of 3.5 kg and inimv mlu:g4j6 3ztially 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, two bodies make ahead-on collisio/kreefmj*qp; te3ip*14 m zv1 n and e1rq /*t mvjp4fepz*mk 1e3;istick 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 during the collision is shown.
How much kinetic energy was transformed to other kinds of energy from the collision?


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