Physics for Scientists and Engineers with Modern Physics (4th Edition)

Chapter 12

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7.0 kg ; The following diagram represents the ... more

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This is because the normal force exerted by the ... more

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528 N, 120° clockwise from ; The condition for ... more

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967 N ; The following diagram represents the ... more

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6.73 kg ; The limb will be in equilibrium if the ... more

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1200 N ; Draw a free-body diagram of the junction ... more

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2900 N and 1300 N, upwards ; Draw a free-body ... more

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, downward; , upward. ; A cantilever in ... more

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3400 N (ceiling cord); 2900 N (wall cord) ; Draw a... more

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shorter wire: 260 N; longer wire: 190 N ; Draw a ... more

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0.22 m ; Draw a free-body diagram of the table. ... more

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20 to 50 N ; When the cork is being extracted at a... more

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FA = 6200 N; FB = 6100 N ; For the beam to be in ... more

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1600 N ; The following diagram represents the ... more

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0.64 m to the right of the rock ; In order for the... more

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wire: 642 N; hinge: 526 N to the right, 2 N upward... more

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Left: 8060 N; Right: 5760 N ; The beam that spans ... more

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120 N ; For the pole to be in equilibrium, the sum... more

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304 N ; The following figure shows the rod propped... more

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550 N ; The following figure shows the rod propped... more

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60 N, of which only a small component (on the ... more

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Top hinge: 63.7 N upward, 55.2 N to the right; ... more

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steepThe answer would remain the same as the ... more

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; The following figure represents the free body ... more

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; If the ladder does not slip, then it must be in... more

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Yes2.5 m from the top ; The following diagram ... more

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; The forces which act on the lift can be seen ... more

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, compression, tension, tension, tension, ... more

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; Free body diagram of a truss bridge system.The ... more

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; Figure represents a free body diagram of a ... more

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; The above figure shows the free body diagram of... more

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must be greater than 28 kg. ; Round table is ... more

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,, ; The above figure shows the free body diagram ... more

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3.82 ; Consider the right half of the bridge. It ... more

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3.2 m ; The above figure shows the free body ... more

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  ; The above figure represents the free body ... more

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25 kg ; The force applied on the cord under stress... more

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Point A: 1.7 × 104 N; Point B: 7.7 × 103 N ; The ... more

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0.257 ; Figure above shows the free body diagram ... more

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; The above figure represents the free body ... more

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2500 N ; The above figure represents the free body... more

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, in compression, in tension ; The above figure ... more

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2400 N ; The above diagram represents the free ... more

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, compression, tension, tension , tension, ... more

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; The restoring force of the spring is given by ... more

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