9781118230725.pdf

5-1 NEWTON’S FIRST AND SECOND LAWS 95 pole causes the car to stop. Science, engineering, legal, and medical journals are filled ...

An inertial reference frame is one in which Newton’s laws hold. 96 CHAPTER 5 FORCE AND MOTION—I In other words, if the body is a ...

5-1 NEWTON’S FIRST AND SECOND LAWS 97 That assumption works well if, say, a puck is sent sliding along a shortstrip of frictionl ...

98 CHAPTER 5 FORCE AND MOTION—I and thus Defining the mass of Xin this way is useful only if the procedure is consis- tent. Supp ...

5-1 NEWTON’S FIRST AND SECOND LAWS 99 force components along the xaxis and is completelyunrelated to force compo- nents along an ...

100 CHAPTER 5 FORCE AND MOTION—I Sample Problem 5.01 One- and two-dimensional forces, puck Here are examples of how to use Newto ...

5-1 NEWTON’S FIRST AND SECOND LAWS 101 x components:Along the xaxis we have F3,xmaxF1,xF2,x m(acos 50)F 1 cos( 150 )F 2 ...

Some Particular Forces The Gravitational Force Agravitational force on a body is a certain type of pull that is directed toward ...

At Rest.This same gravitational force, with the same magnitude, still acts on the body even when the body is not in free fall bu ...

Figure 5-7(a) A block resting on a table experiences a normal force perpendicular to the tabletop. (b) The free-body diagram for ...

5-2SOME PARTICULAR FORCES 105 From Eq. 5-8, we substitute mgforFg, finding Checkpoint 3 In Fig. 5-7, is the magnitude of the nor ...

Newton’s Third Law Two bodies are said to interactwhen they push or pull on each other — that is, when a force acts on each body ...

107 EarthE TableT CantaloupeC (a) (b) (c) FCE (gravitational force) FCT (d) FTC Earth Cantaloupe FCT (normal force from table) F ...

108 CHAPTER 5 FORCE AND MOTION—I Applying Newton’s Laws The rest of this chapter consists of sample problems. You should pore ov ...

5-3APPLYING NEWTON’S LAWS 109 to draw the xaxis parallel to the table, in the direction in which the block moves. Q Thanks, but ...

110 CHAPTER 5 FORCE AND MOTION—I Sample Problem 5.04 Cord accelerates box up a ramp Many students consider problems involving ra ...

5-3APPLYING NEWTON’S LAWS 111 course) and has magnitude mg(5.00 kg)(9.80 m/s^2 )49.0 N. plane and thus cannot affect the motio ...

112 CHAPTER 5 FORCE AND MOTION—I Sample Problem 5.06 Forces within an elevator cab Although people would surely avoid getting in ...

5-3APPLYING NEWTON’S LAWS 113 Dead-End Solution: Let us now include force by writ- ing, again for the xaxis, FappFABmAa. (We u ...

1 Figure 5-19 gives the free-body diagram for four situations in which an object is pulled by several forces across a frictionle ...