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

Chapter 4

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According to Newton’s third law of motion, when ... more

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The force of gravity is always directed towards ... more

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No force pushes the cup out of the dashboard. The ... more

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The two forces are equal in magnitude as Newton's ... more

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According to Newton’s third law of motion, when ... more

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The force being described is the normal force. ... more

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Normal force is a contact force that is present ... more

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Based on the ground (an inertial frame of ... more

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If the acceleration of an object is zero, it does ... more

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An object moving at a constant velocity ... more

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When a single force is acting on an object, it ... more

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The log goes to the opposite direction because of ... more

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Because a heavy table or a partition exerts force ... more

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According to Newton’s third law of motion, when ... more

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When you jump, a net upward force acts on you as ... more

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Strings break if the tension in them exceeds their... more

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Both rocks have the same acceleration. Consider ... more

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The free body diagram of the block in both the ... more

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Yes  ; According to Newton's second law of motion... more

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The force needed to lift a 10-kg object on the ... more

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The formula to calculate the weight is:where is ... more

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The team that pushes the ground harder wins the ... more

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The ground exerts normal force with the same ... more

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To interpret the situation properly, choose the ... more

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The force that is pulling the bag upwards is the ... more

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77 N ; The acceleration of an object is directly ... more

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115 N ; Newton’s second law of motion relates the ... more

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1450 N ; The tension in the rope is equal to the ... more

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-1.3 × 106 N, 38%, 1.3 × 106 N ; The force that ... more

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-3100 N ; The unknown force, assuming that it is ... more

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210 N ; The unknown force, assuming that it is the... more

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780 N, backward ; According to Newton's second law... more

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; Assume that the creature line is pulling the ... more

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89.8 N ; From Newton’s kinematic equations, the ... more

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13,000 N ; To calculate the tension on the cable,... more

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up ; The free body diagram of the vessel is as ... more

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; Firstly, one needs to calculate the ... more

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The thief has to descend on the rope of sheets ... more

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; The free body diagram of the lift is as follows... more

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Yes ; The vehicle can stop suddenly if it starts ... more

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vertically downward direction. ; The free body ... more

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; Assume the object has a spherical shape.The ... more

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; Firstly, find the velocity that the person must... more

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; The free body diagram of the lift is as follows... more

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; A 650-N force acts in a northwesterly direction... more

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73 N38 N 35 N ; Let the mass of the vessels be ... more

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; and are the tension forces on the automobile ... more

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FT1 / FT2 = 2 ; In order to get the ratios of the ... more

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; Distance traveled during time is given by the ... more

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; From Newton's second law we know that, where ... more

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4.0 × 102 m ; Assume that the ramp does not exert ... more

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1.20 × 102 N directed opposite the direction of ... more

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12° ; To solve for ,identify the forces acting on ... more

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; When the lift goes up, an apparent force is ... more

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; A system of two objects suspended over a pulley... more

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; Acceleration of the object can be calculated ... more

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; The system consists of two objects and a cable... more

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; The free body diagram of the object is shown ... more

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18.3 N 19.8 N ; If is the force by which the ... more

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; When a force is applied on the object , ... more

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; The acceleration of a particle of mass is ... more

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1.2 m ; The acceleration of the person having a ... more

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6.3 N ; When the bag falls off from rest (initial ... more

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Tension in the two innermost vertical strings is ... more

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2.0 sThis wouldn’t change if the mass of the piece... more

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0.86 m/s2 ; To solve for acceleration a,identify ... more

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9.9° ; The acceleration of a system is the rate of... more

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; The rider of mass coasts down the hill at an ... more

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73 m/s ; Let v be the unknown final speed. To ... more

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4.2° ; Let be the angle of inclination of the ... more

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870 N, above the horizontal ; Make a free body ... more

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1.8 × 104 N ; Let the tension be FT. To calculate ... more

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FT1 = 380 N (tension in the rope connecting the ... more

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8.0 × 106 s ; Let the time the force is exerted be... more

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3.4 m/s ; Make a free body diagram of the ... more

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34 N ; From the free body diagram of the masses, ... more

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4.0 m. ; If is the tension in the string between ... more

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