99.36: What happens to the inertia of an object when its velocity is double2uqkaseqyg7wgpz1puk5 -0vx 6r 5.7ld?

  02.14: An intrinsic property :aa 8osu*f4k+n)1w-c zayua lof matter is one that does not depend on the quantity of matter present. Which of the following properties is NOT an intrinsi y4l)-za8*acuak: na u w+fso1c property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume9+r) y tymqbu7 the Earth has mass rtq +bmu)7y9y$5.98 \times 10^{24} \; kg$ 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 Earth. What ilk.*2oiuw x1z s the magnitude of the gravitational force acting on the earth by the sphere?o2xku *.i wzl1 The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an objecjng1 2uwz7n9w t’s velocity to increase while its acceleration decreznu njw21wg97ases?

  00.11: A certain particle p9lyp ti4h1/hk. 5bdq undergoes erratic motion. At every point in its motion, the direction of the partpt ik5h byd1/p.l hq94icle’s momentum is ALWAYS

  17.14: A block is suspend4xfr op.t )r0nosao 12ed in the air at the end of a string held by a person. The person pulls o4.afroos1)nxt r 20pon the string uniformly accelerating 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 t iwbb)/- ws;/c 3ei 2o5tfuqywhe following situations is the net force constantly zero on the obji uw)/3/ftbe- iw;b5wo scyq 2ect?

  13.28: An object is in free fall close to the ground. A pe6ms7d.yp gk -bp91*y1gsbtxt rson intervenes 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 acceleration is a and the dx.tg6pys gbt 1*sy1mbp- 7k9 magnitude of the acceleration from gravity is g.

  98.03: An object in equilibbuh61 hx2z8j* dqvus2rium has three forces, F1 of 30 N, F2 of 50 N, and F3juh8hu 2s2 bd1*xvq6z of 70 N, acting on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force o3qkf u3 c ikseb7t/+1rf 10 newtons can be combine to form a resultant with a magnitude of which of 33qukftb7c s ek1+/irthe following

  10.06: Which of the following statemek.be4 a)5c d5jdk qg-ehl;;i tnts is most closely associated with Newton’s Third Law of Motion?;5 dd-5;ekeh4)cq. tbkl ajgi

  95.06: The reaction force v;b cd 7/l(o8fbthm8:4 alrwe does not cancel the action force because:

  14.14: A box rests on i)l-nkd04 u4ic;g6v+ ho rgc immf11pthe floor of an elevator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force h6uclci f41;+id ri)k0p- nmmv1gog4 to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward throu;i3csu:i6yheu e;r m5gh the air with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistanc;e;mis hu6:ci 3ery5u e acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. The,w,v rlew0zie y-dxqe2 q2w 90 batterswings and hits the ball. The magnitude of the force that the ball exerts on the bat is,we0x0 l eyqiq 9v-wr,2ew z2d always

  11.13: A physics bookrkzjyr/mi:9p)m3/yb p j2,ut sits at rest on a table. On top of the book is a calculator, also at rest. Which one of the following choices is the Newton’s Third Law pair2 zitpr/mj p3mu9 b:/j)kryy , force to the force that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conductiu, evn gh*/2vnx:tb6 rng an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the students make?e hvnvr 2/ unbtg*x:,6

  99.03: If the net force on an object were doubled wwo c2g/(o :)5lg1 8vgxr9y.ecdbmya r hile at the same time the mass of the object was halved,then the acceleration of the objyboorem: r9v dc8 lcayxggg .521w/ )(ect is

  96.15: A car whose mass is 1500 kgfri;.p6f i3bkp) dnbdmn m12 7y+pb19ruptg0 is accelerated uniformly from rest to a speed of 20 m/si)r pmm b ;pf0.kn7 y g6dp2i1+pb 1fn9dut3rb in 10s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down ta43qcikjg8qk :) q+ dcf,u87q ur2iifhe road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applies on the tractork8: 3rq2jgucqfia) f,iic4 78+ kduqq is

  99.16: Which of the following principles b4k(llb.b3q j uest explains why large tractor-trailer trucks generally acc4( llub3bjkq .elerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rind.tn,.d g7hc6x of0xhtzmp(- k throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes the subsequ6f-oghp,td .0z.7xh(tx mc nd ent motion?

  00.13: An object near the surface of the ea p5,,u 8ed gpw1. gcc :)a.,guyloqadsrth with a weight of 100 newtons is accelerateoe8 p.uyc1,,)ug:dwacsq pa5lgg .d ,d at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated from rest by p7lh;* sakv)xa constant force of 2400 N. What is the spe*p);kxlv sa h7ed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 552zwq 8vggyb 4.0 m/s slides across a rough horizontal floor before coming to rest. The frictional force acting on the block is 3.0 N. How far do vb2w 85g5qzgyes the block slide before coming to rest?

  95.38: A block with initial s lw- ms v91831unzlkzvelocity 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coefficient oflns81szu9 1mvlkz- 3 w friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a pers2.yqprv:2r7e j nhc rmf1u52uon pushes directly to the right on the box with a force of qf.yjumurh1:rr7e 22p2 5cvn 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 accelerat 40r 54ydq nv;nnt(uoces uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following choice 5ut vd q;r4c4nnn(yo0s best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a patch of (26key .zex,cgms 2ufice 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 and the dry roadx6f.m egu2 szke yc(,2 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 x6a09d,y.wqfa fr ,jjice 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 fric6jrdaj ff ,a,.wxy 9q0tion 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 an emergency stop by slamming on the cam:4fhg4+t5pava cdyp: imqxq0s+ **a ho :sr3r's brakes and skidding to a stop. How far pa3cfhy 4: sqh5o:0v+ 4*maaqmx*p t:ig +sdrwould the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of the foll3.l*q t8jr:t mvk1hk iowing devices. Which of these devices can cause an acceleration imt 1kkl:8v .rtij3q*h n a moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a weight of 15000 ne0 nh5 hywfwc: uml62y,f+avn /wtons is 24000 newtons. About 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 takeoffn0a nl+/vwmf6:h yuw,y c2hf5?

  07.21: A box slides toca* 12ub)r8jpw 0 tkkz 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 iaw jp2 8bk*0tk1uczr)s half as large as 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 tracksc z,ypt9f40h8dw-u jm of equal length. Assume that on all tracks the roller coaster carts start from 09,d uj mhpcwz 4y-ft8rest at the same elevation and moves frictionlessly over the tracks to the finish.
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 rolled;epq. c/hg1, 0xnv .gppv1w1 (oh qsdr coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves fri1exp pc1ph h;sdg./1(d,wq.0 vov n qgctionlessly over the tracks to the finish.
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 frictionlessly along th5w2ui/mu tll ,ftj . w3wt;y5:+gw3rpwuq mo4e curved track from point A to point C under the influence of gravity. What would be the ww: jtmg ui/ 43.5fw,;tl+woy qur5w pum t3l2direction of the cart's acceleration at point

  02.40: A box with a mass op, m:onop 0wdv( d5(.wyqt:oz)naq, d f 50 kg is dragged across the floor by a rope which makes an angle of 300 with the horiw qo:. t(vdodp pn z(5anm:,qd,)yw0ozontal. 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 resth,d+o - roaq .61szkj,8zb k1l s:faey is pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static frizh-dlq 18j1 ,r.kf+ebso a6:zyok, asction 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 lawn mower across a horizontal patch o5(tn 2grhw- jpf grass with a constant speed by applying a force P. The arrows in the diagram correctly indicate the directions but not grjhnw25p t -(necessarily the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a *fm .u9gpkv-gl8rbt5)r8 uqmcrate on a table. Neither is moving. Which of the following statements concerning this situation is CORRECTmmurv 8l9r.-)pq gkgbutf *58?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pul, dvbd8)qwaz iy1;qq 4led up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in84w dzqq ,)b;ydaiv1q speedup the hill?