99.36: What happens to the inertia of an object whdaodmq 19f w9sx7s.p+en its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not depend a1utt98lg q30c(pak5tdi, q,dl ufu/on the quantity of matter present. Which of the following u5cuki8gt aal3q,t/(dl tpd9 q0fu,1properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume th92igd1 nq fx83k)kbkke Earth has mass qk81k )3gd xbn9ifkk2$5.98 \times 10^{24} \; kg$ 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 fr-:y/uw 9apgr eee fall near the surface of the Earth. What is the magnitude of the gravitational force acting on the earth by the sphere? The Earth mase: rg/yu-w 9pas is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s veloc/mpxjm,dj,2;rg 2rc vity to increase while its acceleration de dr jm2 vr/g,x;m2,pjccreases?

  00.11: A certain particle undergoes erratir k-u/ 1shmvf*c motion. At every point in its motion, the direction of the particle’s momentum* shr/v-mk1uf is ALWAYS

  17.14: A block is suspended in the air at the end oiatfndj u,/9,++cosf( opc- ps/ se6. k4wqzif a string held by a person. The person pulls on the string uniformly accelerating the block upward for a short time. During this time, which one of the following choices cosozt iie+ /k 6ns (su,cp 4dq+-ofw.jap9c f/,rrectly 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 constantly zero i.qasb.4ba* h on thea4sq*b.h .b ai object?

  13.28: An object is in e k/w+urpqtz42)q4/mmnm (wc 6+myheup7 ui5free fall close to the ground. A person 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 bm7c/e z5nw uyh wq4p+)6km/ur qt4m+e m2i(puy the person? The magnitude of the object’s acceleration 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 Nqtx:b)r:ulikjf v7/( 3i h3ru, and F3 of 70 N, acting on u 7:q3j( vlrfxbh:)rt3/i kiuit. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and jy 1q.2pvbgl sf*j/m0a force of 10 newtons can be combine to form a resultant with a magnitude of which of the fo jg1mj.0*2 q vsbfpyl/llowing

  10.06: Which of the following statements is most closely associated with,+ad l5mqo *vl Newton’s Thirq v,5admo* l+ld Law of Motion?

  95.06: The reaction force does not 6mc 2f .zjz8uh8fzyq 36hdxj x762mj hcancel the action force because:

  14.14: A box rests on the f / ej 6iw zij7+shbh1w.gy7ydz-f)pw8loor of an elevator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on the box by the E6 1+ s yyig 7ibf7jz.wdjh/ph8w)ewz- arth?

  15.15: A skydiver falls downwardz xlm2q(9l hfx-n,v(bpc9f v7 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 sh7mfzq,(c9 n bvlp29xfx l(v- kydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35fx4 /g6.nja2en wv 2*pxaa1ul m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on thel1nwxfv2 e./2gaa6nxa4u *jp bat is always

  11.13: A physics book sits at rest on a table. On top of the book is a calculufq1w /g4.nusk2b,x sator, also at rest. Which one of the following choices is the Newton’s Third Law pair force to the fwn 4 x,/1s2bku.sqguforce that the table exerts on the book?

  05.06: The students in a Physics I class werbq lbm-l:g /rst/)o +v7wtqb8e in lab conducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. Fq t-7so q)r:gm+bbl l//b vt8wrom this graph, what conclusions can the students make?

  99.03: If the net for5x 8erk f;z85bcqp0mfce on an object were doubled while at the same time the mass of the object was halv8efr5 qb pxkc;0z85 fmed,then the acceleration of the object is

  96.15: A car whose mass is gk i:w3fej09 m1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the neg90wmf 3:k jeit force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the rlb ueq(nfyi1 99b6xh(oad. The mass of the trailer is 4 times the mass of the tractor. If the tractor aflu n he91iyx(q(b 69bccelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why large tractor-t *l+lt5hii8vmz6zb0v railer trucks generally accelerate much more sli*im68b+vz th0l vl z5owly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws a 2 kil7n /v(6hsjnno4 k )ibnogram ball, giving the ball a velocity of 10.0 m/s. Which statement descj6)nnnnbok(s/7i 4 v hribes the subsequent motion?

  00.13: An object near the surface ofttz(an i3go4 + the earth with a weight of 100 newtons is accelerated(a4tg t o+3nzi 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 a constant fo:)v-ghndsg l* yw y/pb;ls 78prce of 2400 N. Wha8*: g)b/vy lp ssn7l ghw;y-dpt is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slid7.ye+r5zy/ k mm3blbyyq-k-a4p ur1 ies across a rough horizontal zy-/.4pr y1br5iey 3qa7m b+u-k ymklfloor before coming to rest. The frictional force 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 m acrord.i/ fis2fo+ i1l 5eoss a rough horizontal floor before coming to rest. The coefficient of frictionildf.r1 o2o fi5+/sie is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a pers5s;gjsyw 9ha2j tus. (on pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction between the box and the surfaaug ;s.(stj y sj295hwce 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 uniformlybwwv 1hkv,s +; to rest on a horizontal surfacesbhk1 w ,;+wvv. The block travels a distance of 12.0 m during the 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 across a patch of ice at a speed d03gt +izsi3hv with its brakes locked. It then hi+di0ti z gs3h3ts dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and 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 acr(o zi.+b/wpiysn60y5c ql p4goss 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 azqp+.olc gn 0w4sbi5y py(/i 6nd 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 styoc3d*zh8 z4in l)eh6t w9 1ui*x9no yop by slamming on the car's brakes and skidding to a stop. How far wout4z3hy8)wihycn 1oe6lu oi*dxn*z9 9ld the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefgukh:pf 2rh,gkwn.eu3 l 5i45ully control each of the following devices. Which of these devices can cause an acceleratii:ggkf5,.ne lk23huh 5r4w u pon in 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 o-m w;twm8oaqgptk9k*(5m ,x hf 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 m/s n;km pm * w8ktoqxa,5gmt9h-(wear the surface of the Earth at takeoff?

  07.21: A box slides to the right acrossmh3:o ni)pnue 56ffxgv2- s w1 a horizontal floor. A person called Ted exerts a forcnnp6u1:es) -fofighwvx 523 m e T to the right on the box. A person called Mario exerts a force M to the left, which is 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 trab4tdylv;gs: )i0sz(jwv vv / 7cks of equal length. Assume that on all tracks the roller coasterv dlv7gs ;(/bt vwzj)0i 4svy: carts start from rest 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 roller coaster tracks o *4zpwat41 e8srlck*sf equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks pa8c4*te 1r* 4zwssl kto 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 0rw/ w) itvo:lfrictionlessly along the curved track from point A to point C under the influence of gravity. What would )r0/o:liww tv be the direction of the cart's acceleration at point

  02.40: A box with a mass of tn 3 ;l2zj(lt8ya ba*m50 kg is dragged across the floor by a rope which makes an angle of 300 with the horizontal. Which of the following would be cl82 alt;zm yanb3t(*jlosest 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 i bu2c7ok4bmy2mg0(y d)az+qwall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static friction is 0.50. What is true of the+c ab )g(mi22q47om0uyyd z bk friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower acrosseje dl67qcv/ 9 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 magnitude9e7q/jle v6cds 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 crate on snofvlvwte)5451b aigc52+za table. Neither is moving. Which of the following statements concerning this situati5)lv twznc1ibv4fsoe +g 5 2a5on is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as zm bfc7u3f+e3.cgjw9the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What.e39m3f z7cjb +wfucg force is responsible for the crate’s increase in speedup the hill?