Mechanical Advantage - 题库网 (tiku.one)

09.39: For the compound macwour /34hkde, hine comprised of the inclined plane and pulley shown, a 75N force is required to slide a box with maoh43r kudew/, ss 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 parallel t yl;i/9ekb6w*q iui0yo 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 speedb6e/ywyiik 90u *ilq;. 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, ws u -ii 8 lg9edg;s)d3akn77dzp36abthich one of the following choices best represents the value of the incline6z3) ae 7 -l ia susd38tggnk;79dibpd’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- axis with a velr qp9z bz 34z/69psd)e/ hksbdocity 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 the force? bs3 9 hz9dbpsrdezz4 p//)6qk

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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 objecu95oda b)gfc ;t of mass 2.0 kg moves along the +x- axis with a kinetic energdbauog)9;f 5 cy of 16.0 J. A net horizontal 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 frictionls ya0x.q;r +7vl,3fr arke:v wess horizontal surface, two bodies make ahead-on collision and stick together. Body 1qv:0xv7r3a key,r rf+. ;alsw 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.
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,i/f yyxp:89nitq nj )5 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 graph of the force exerted onty5pnx/9n)j8f iy:qi t o 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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