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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 which of th )xkn5jhikkm) blw lfvm g,8,8i3g42se 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 advantw.67qn deu uz6age for the pulley system shown to the .u d7qeu6znw6right?

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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 ofuha3(jwfh2b s8cd -l) l3r9r e the inclined plane and pulley shown, a 75Nds-rw983 frch uhbj) l 2ea(l3 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 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 pardvd* :2cspst v(g)uv4 allel 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. Wh )g2s:dcuvt4dv sv(p*at 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 choices best /cy.pxuyxzvuh2laf (4( / v1 lo y1uj7represents the valxv z(4lyoxyf(/yl12p1cah /uu uv.7jue 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 moves along the x- 7/ fqtt7r3ybc axis with a velocity of +4.0 m/s. A net horizontal force acting a3f/rcq7btt y7 long 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 moves along the +xmxyb yi8k); nbn1x v96- axis with a kinetic energy of 16.0 J. A net horizontal force acting along the x-axis is applied to the object with tb89knn1 yy im;x vxb)6he 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, tw ,ykuv6w)ve0 / donv-bo 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 during the colli6w/nb0dvv- )k u,o veysion 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 mauns1jq07:r34 6)p jhkltr psyoqb1n :ke 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 during the colli rqpn q1jt4)skol3 yun617 js: hrpb0:sion 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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