99.36: What happens to the inertia of an object zpyfze c( 1*-)g/h aj mok8pc;when its velocity is doubled?

  02.14: An intrinsic property of matter is one thatr x9v +hfwa):hi+k; xx does not depend on the quantity of matter present. Which of the followx+f9hkx xhr:; +av )iwing properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. A b/5jzkrtagv2:hbb ru7 g;2x ,ssume the Earth has mass xb72r/b,gajbu2 k 5ghv;rz:t $5.98 \times 10^{24} \; kg$ and $g = 10\;m/s^{2}$ . What is the magnitude of the gravitational force that the boulder exerts on the Earth?

  09.12: A 5.0 kg sphere is in free fall near the surface of the Earthxu/b a2 )tv(5 xyorg :-x7hxhy. What is the magnitude of the gravitational force acting on the earth by the sphere? The Earxvb7g-(h u: r txo/y2haxyx)5th mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocittb3 k(y 1mflacpcb/8 /mi8kdf/ qx6-d y to increase while its acceleration de83/b6dcpyfk-b/ mm( f/x 1 k8adticl qcreases?

  00.11: A certain particle undergoes erratic motion. At every poi.;aff a1i.bc f 6tm*mhk o1-oisou5.k nt in its motion, the direction of the particle’s momentb a -f o1k6;uha.i.of*sm c1mt 5ki.ofum is ALWAYS

  17.14: A block is suspended in the air at the end of a 1(7:fx f6yw84 5i si duixmvuwf+lci6string held by a person. The person pulls on the string uniformly acceleusi cuy 86+ix4w vif1 6wfmixl7 (:fd5rating the block upward for a short time. During this time, which one of the following choices correctly identifies the Newton’s Third Law pair force to the force of the string on the block?

  07.18: In which one of the following situations is the net force constant6b9ops 49 nm lsbl4gu/ly zero mn9su6 9/l4 sgopbb4l on the object?

  13.28: An object is in free fall close to the ground. A person bst.z5tj x:l cdt .vz.0crq74intervenes and slows the object uniformly to rest. Which one of the following statements must be true about the magnitude of the acceleration of the object as it is being stopped by the person? The magnitude of the object’s accel4. :5sctzc.zjl7 0v bxqr.ttderation is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces, F1 of 30 N, F2 of 50 N, 4 b3kllynun.1 and F3 of 70 N, acting oln413bul kyn .n it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtoj .h zx0xknlrz pun w .y/h*l w)b:)3,sr9xld/ns can be combine to form a resultant with a magnitude oy . .r0hnr zhupl)dxw*)l9x,l 3/jz w:nsbxk/f which of the following

  10.06: Which of the following statements is mostf2bo04 z 1 xg)wzxqds 4a. fe*8iii;mx closely associated with Newton’s Third Lawf.*2ezq44x f)g dzi xix1 a o08bis;wm of Motion?

  95.06: The reaction force does not w77gz9f5ssssn5 ) oq hcancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator ee5b7du : : tv9vq 1r3etk2xibis accelerating upward. Which one of the following choices best represents the Newton’s Third eett2b:b:5 kv3 q7du r vei9x1Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downt ;paszxb t zo(0l9lf3wlg0*5ward through the air with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the s3 s *tl5go9 0pflaw0zt;(lxbzkydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed;vu)*3 4pwwqbaj p+ge of 35 m/s. The batterswings and vuq)p e*p ww3ja+4;g bhits the ball. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at rest on a table. On top of the book is a czquxg+x+2 rr3nmac+ ,6z0ceualculator, al u ngq3rmzec2xu60czr+a+x ,+ so at rest. Which one of the following choices is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conducting an exp+51 :ioh ) ge ;bticbsuv.ik1qeriment related to Newton's Second Lawi1g.oi:h 5 t1i qkcbe)u s;vb+. The collected data were displayed on the graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on anxllu. 5:kiq4v object were doubled while at the same time the mass of the object was halved,then the accelerxl il 4v:5.kquation of the object is

  96.15: A car whose mass it hn 53-z.pc,ffuee8e0y*jed s 1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of th*zf, p 3y58utch0eeefnde.j- e net force accelerating the car is:

  99.05: A tractor-trailer truck is travb) p9m 8n1gz4iuue7ro eling down the road. The mass of the trailer is 4 times the mass of the tractor. bm)n47ugruoie 8 z19 pIf the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the foll 7ez6inyqd2f7ye; ;dgowing principles best explains why large tractor-trailer trucks generally accelerate much more slowly that auto y2 7;ez ;eg6ndqf7iydmobiles?

  99.19: A 50 kilogram skat ncj 5m0tb/fauw99dp.er at rest on a frictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes the/wd9b 9cnj 5uta. mfp0 subsequent motion?

  00.13: An object near the surface of the earth withqc)0(ir nuxwj7z*(m w a weight of 100 newtons is accelzrmw(0wc njq(i)*ux 7erated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is acceleratyrm/ ;z7rlx* qk*xg7ced from rest by a constant force of 2400 N. What is the speed of;/ck7*y*glr7x xqmr z the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a rough horizo/cmqf3 7rs1 *w7u 5zujs6ypn vntal floor before coming to rest. The frictional forcem1 /*c7vpuf 6zwy7n5s j3qus r acting on the block is 3.0 N. How far does the block slide before coming to rest?

  95.38: A block with initial velocity 4.0 m/s slides 8.0 myi tw5mq91 bxy 0k,t*m across a rough horizontal floor before coming to rest. The coefficient of friction is:,91my5tim*bw yt x0qk

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a person l oj79 celhe7,pushes directly to the right on the box with a fl 9je7 ,7hcloeorce of 60N. The coefficient of kinetic friction between the box and the surface is $\mu_k$ = 0.20. The coefficient of static friction between the box and the surface is $\mu_s$ = 0.60. What is the magnitude of the force of friction acting on the box during the push?

  13.16: A block initially moving at 8 m/s accelerates uniformly to ;(m rvgz5t )n/y osd:orest on a horizontal surface. The block travels a distance of 12.0 m during gzym/n sv (: )dotr;5othe slide. Which one of the following choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides ab2*k:u9a 0tzmkyh+ht cross a patch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires andubtkk t*z0+h ym2a:9 h the dry road is μ .
If the car had a mass of 2m, it would have skidded a distance of

  00.22: A car of mass m slides across a patch of ice at a spee uzwvw,qoq:2) 3oj6 zfd v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The o j3z2z:wfwqov q)6,ucoefficient of kinetic friction between the tires and the dry road is μ .

If the car had a speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes :iwxn7 t)ta 5ddrjs 3,dub/3aan emergency stop by slamming on the car's brakes and skidding to a stop. How far would the car h 3/r5t sa ddax3nt buj,w:id)7ave skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully contrprrl 49aj 3k qco6+yg7ol each of the following devices. Which of these devices can cause an acceleration in a moving car 4q+gj39al6cy op7rrk ?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a roc rdt-w 2cbg,/wket with a weight of 15000 newtons is 24000 newtons. Aboutdcgw/ ,-wt2b r how much time is needed to increase the rocket ’ speed from 12 m/s to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides tyt1 8v*blul;3uhiv:e xi- qo.l4su-po the right across a horizontal floor. A person called Ted exerts a force T to the right on the box. A person called Mario exerts a force M to the left, which is half as large ash l ;v xvly 4uqp.ub:lt38-iuse1i*o- the force T. Given that there is friction f and the box accelerates to the right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal l29 opw-fnt-m7vly an+ength. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the finish. ty+9 7nn p-m2awf- olv
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart be traveling the fastest at the finish?

  02.28: The diagram below shows three roller cjme08fsxbq.gz q(z7 2 oaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the finishbqgm2 ef.x 0qsj8z (7z.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictijta( gm lzue..m(u j19onlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's acceleration at po9te gml.1zajm( u.ju (int

  02.40: A box with a mass of 50 kg is dragged acb5txlw:vjk2q74vo3tu 0ji 9 7 osusbyy8. aj 0ross the floor by a rope which makes an angle of 300 with the horizovi k3uo:bj4y9j8t 2.jx0o0y t sasw5vq 7bul 7ntal. Which of the following would be closest to the coefficient of kinetic friction between the box and the floor if a 250 newton force on the rope is required to move the crate at a constant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed against a wall:m,51i0it hcckfe,o q by a 100 N force as shown. Thecoeft 5ciomek ,ci1fq,0 h:ficient of kinetic friction is 0.30 while the coefficient of static friction is 0.50. What is true of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes a 1ko .9gxm1qlihp3mu0 lawn mower across a horizontal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly indicate the directions but not necessarily the magnitudes of the various forces on the lawn mower. Which of the 9 m l0 ximk1g3o.qp1hufollowing relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is mgkm*x;.e2z m 8aiv/qyoving. Which of the following statements co /zmgm;q8a*2 kvy.i xencerning this situation is CORRECT?

  06.15: A crate of toys remains at ru1fek80(f5xsyspu zdnbqx . n/ :/h s5est on a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible fosnhqxne 50xzsdubs 51 :/f(fp. y8u k/r the crate’s increase in speedup the hill?