Cutnell Johnson Physics (11th Edition)

Chapter 9

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When the angle is , the effect of the left side ... more

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Greater torque. ; By adding a pipe, the distance ... more

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Boxes on the top. ; The torque on a system is ... more

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The additional force is required. ; If the system ... more

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If the center of gravity is at the neck of the ... more

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Individual Bo. ; Since both the individuals are ... more

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In all the cases, the same force () is applied at ... more

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Axis B. ; Rotational kinetic energy of any ... more

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The moment of inertia of a solid sphere is . The ... more

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Decrease. ; As the ice melts and water is ... more

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Increases. ; As the cloud shrinks, the mass of the... more

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No. ; In the starting, the person is hanging ... more

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The bicycle wheel has both translation and ... more

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is passing from the axis of rotation, and it has ... more

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It is not in the rotational equilibrium as the ... more

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Vector is the sum of two individual vectors named... more

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The moment of inertia of a system is given as . ... more

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1.3 rad/s2 ; The net torque on the system about ... more

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The torque produces an angular acceleration ... more

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The kinetic energy does not depend on the size of ... more

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Each external force acting on the system need not ... more

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Since the angular velocity of the skater is ... more

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843 N ; The torque from the static friction force ... more

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1.31. ; The torque about a point is given as . ... more

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; The total force on the wrench produces torque... more

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; The torque on the tree will be given by: Here... more

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; The distance between the axis of rotation and ... more

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; A force is applied to the free end of the ... more

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; A force is applied to the rod at the distance... more

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, ; From figure a, the net torque about the axis ... more

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  ; The center of gravity of the total body will ... more

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, ; The person holds that position where each hand... more

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at the near end and at the far end. ; The value ... more

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at the front wheels and at the rear wheels. ; ... more

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towards the left ; The value of the total torque ... more

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and towards point B. ; As the wood is in the ... more

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and ; The weight of the contents is at the ... more

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and ; The value of the force exerted by each rear... more

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; The value of the angle vector P made from the ... more

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approximately ; From the translational ... more

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; From the triangle, OAB is making a right-angle ... more

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; Shifting the weight of the beam at point A. ; ... more

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; The knee of the person is in equilibrium due to... more

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320 N approximately. ; From triangle OBC. ; From ... more

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approximately. ; The weight due to one side of ... more

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; Starting From the rest  the disc accelerated to... more

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; The moment of inertia is the ratio of net ... more

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; The moment of inertia of a rod about its center... more

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; Angular acceleration is the ratio of net torque... more

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and ; Starting from the rest () the wheels turn , ... more

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; The value of the tangential speed is , we'll ... more

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; Starting from the rest (). The reel unwinds ... more

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; Since door starts rotating from rest . From ... more

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; The moment of inertia of the wheel will be ; ... more

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; The moment of inertia of a solid cylinder about... more

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; The force diagram of the setup is given below:... more

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; Case1: On its own axisCalculating the angular ... more

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   ; Particle of mass is rotating at a distance ... more

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; The energy produced by the car is . When this ... more

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; The total kinetic energy is the sum of ... more

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; Starting from rest, from point A, a cube and a ... more

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1.26 m/s. ; The bowling mall is considered as a ... more

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3.38 m. ; The velocity of the ball before leaving ... more

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; Angular momentum of the disk A is the product ... more

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0.125  revolution/day. ; Since there is no ... more

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; The moment of inertia of the carousel .If ... more

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0.26 rad/sec.  ; Equate the initial and final ... more

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  ; Equate the initial and final angular momentum ... more

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4.5 rad/s. ;  Rod of total mass 2m and total ... more

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; There is no external torque acting on the ... more

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0.037 rad/sec.  ; Since there is no external ... more

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; Torque produced by the tangential force is ... more

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0.745 m. ;  0QK0YQ-free-body-diagram.jpg Since the... more

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1.67 rad/s2 ; The moment of inertia of a ... more

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181.75 rad/s2 10.2 N. ; Use the value of the ... more

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1396.64 N ; Since the pulley system is in ... more

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22 Kg. ; 0QK0Z0-force-diagram.jpgDiagram A shows ... more

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6.33 rad/s2 and 4995 N. ; Use Newton's law in the ... more

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