99.36: What happens to the inertia of pjs20iipzowun60y v p 7d4(: yan object when its velocity is doubled?

  02.14: An intrinsic property of8vl9/w mp;fiiab6 0 rr matter is one that does not depend on the quantity of matter present. Which of the following properties is NOT an intrinsiii; 0r9fm l/ pvaw6r8bc property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume the Ear6w4ir f/ mnxy:th has mass/ wi:xrfynm64 $5.98 \times 10^{24} \; kg$ 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.*km ,imbde2zv6,ei( lc q kn7.ncdr75 What is the magnitude of the gravitational force acting on the earth by the sphere? The Earth mass iseq5, k.7middn2ikm ncc( b7 zelr*,6v $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible 7m tlkybb4ijj 59k g 9thg)20nfor an object’s velocity to increase while its acceleration dj tk bt4 )kg2y9hnmj7i0bl59gecreases?

  00.11: A certain particle undergoes erratic motion. At1+y;s kgzcdx 7udh4 iicd,v,a vb9(2f every point in its motion, the direction of the particle’s momentum is ALd,x +7ck2szd4cv 1,u ;d9ihyf(v ag ibWAYS

  17.14: A block is suspended in the air at the end of a string held l6z1 0v(m9kgrk uor/8b7t f kcby 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 correctly vzb67 l1o9 tg80cu /rk(m kfrkidentifies the Newton’s Third Law pair force to the force of the string on the block?

  07.18: In which one of dpaci fb0 a5:b+tyv+fi9t.ry;,ww:w the following situations is the net force constantly zero on p;0, bt5a+ afwdiwycw:t +i9:bfvr.y the object?

  13.28: An object is in free fall close to the ground. A person intervenes and sll7l5wm 1q uobq 4xvg4+ows the object uniformly to rest. Which one of the following statements must be true about the magnitude of the acceleration of uw 5o x4bllq4+v 7mq1gthe object as it is being stopped by 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 N, o -9-ln c0p2dzordgw *f/pu k9q*o9xrand F3 of 70 N, acting on it. The mag/w09*rfz-qnkdud9lo -g cxo2p9 pr*o nitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a fv4bp1pbkm : bkcjqk.)m::w ,t orce of 10 newtons can be combine to form a resultak ),cpjk4t:.mmbkv:1bq:p b wnt with a magnitude of which of the following

  10.06: Which of the following statements gkdv +v-+v/ qfis most closely associated with Newton’s Third Law of Motionvvgk+f v+q-/ d?

  95.06: The reaction force does not cancel the action f+u .-wr/pflz corce because:

  14.14: A box rests on the floor of an elevator. The elevat 5sbf4 uwwtr8b9r7:p dor 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 Ea5btd 4:rbw8pu7rwf 9s rth?

  15.15: A skydiver falls downward through the air with constant spm 57e li,rjq5kchhz +hy; (n0weed. Which one of the following choices correctly describes the Newton’s Third Law pair forceihhz l;0qnh(+ 7emjy c55,krw to the air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. The cr--l,m6wg4 5 i.kstm tun7lpbatterswings and hits the ball. The magnitude of the force that the ball exerts on the bat iu7it-s6l5,ngpcm .-4 m krtwls always

  11.13: A physics book sits at rest on a table. On top of the book is a calcula0xf6a c3j yxnw) e-c /1-a;(nipjdp nator, also at rest. Which onppfaj;x/ 1xnd(cyc-n-a60 w j 3e)ia ne 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 k*2j+ggf nlz9 d ny7w)in a Physics I class were in lab conducting an experiment related to Newton's Seconwgz+ )9d 2nyjg7klfn* d Law. 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 an object were doubled while at the same time th6jjhuj g7+0d/a z l(kpe mass of the object was halved,then the acceleration of the gzj(jaup+kj0 /6ld 7hobject is

  96.15: A car whose mass is 1500 kg is a:pm nv99uqlvf) c9 ko q :oa(geyiq387ccelerated uniformly from rest to a speed of 20 m/s in 139v q(e im798 oq)vgup nf c::klq9yoa0s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling drb dbyz/t;h:c42h+ w rown the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applib hh r/24:cr;z db+tywes on the tractor is

  99.16: Which of the followingpjljes9, lx0,6d bqc* principles best explains why large tractor-trailer trucks gener j llbe, xqdc*90s6pj,ally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws ar,,zbu*j d*)mnj r/ vv irc2g8 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement descrvj8*gjuvzcrn * ,m/)2rdi,r bibes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 100 new6x5 li gml nm8(lu4kat1vxxe* fq,3-f tons is accelerl ,x nlqliu(4*x5e 3m ka6v 8gftf1x-mated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg i1 cjkkexr)y; h8z;. *vdqsn 7is accelerated from rest by a constant force of 2400 N. What is the speed of the car 8.* c j nk7dvr;y ;ezhx.18qkis)0 s after beginning?

  98.32: A 3.0-kg block with initial 8dldk/hk /j 8 kklv(bgl *3a-cspeed 4.0 m/s slides across a rough horizontal floor before coming to rest. The frictional force adlkval h3d8/g/8 ck(jb*klk -cting 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 across a rough ho 11)3p:fhm,jw pcvpt jrizontal floor before coming to rest. The p1pp) wf3:mht1jcvj, coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a hoqy2:;2j am fysrizontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction betw y :yafs2;jq2meen 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 movinqi.vjurm t(.7 g at 8 m/s accelerates uniformly to rest on a horizontal surface. The block tr.jvrm u(i 7tq.avels 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 8zcshz8:z; kf 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 and 8 sz;hcf:8zz kthe 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 v vuba zcyk8bg:3.dt(n, nrt3y- t6e ;slides across a patch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop nv 6 y;nyt-3. 8:abucgktdtv3b,r(e zin a distanced. The coefficient 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 j+rf ;8bpa3 :devz;mi a car makes an emergency stop by slamming on the car's brakes and skidding to a stop. How far would the car have skiddjmbr8;a3fi +z:d e p;ved if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of t ./gtx: nmbr1yhe following devices. Which of these devicn: bxyg/t1r .mes can cause an acceleration 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 9d6fvve zg,d0a weight of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 m/s near the surfv09,z ef vdg6dace of the Earth at takeoff?

  07.21: A box slides to the rizqmi: 4s.h 3lui8 r km:cxlab0l zc-:5ght 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 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 thq .lxzr84lz :k scb:lm:3-uia i05hcm e box.

  02.27: The diagram below shows three roller coaster tra2is2/5bbkp abcks of equal length. Assume that on i/bb 5a sbkp22all tracks the roller coaster 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 rd xz* sjy-x ,ss7zf(2poller coaster tracks of equal length. Assume that on all tracks the roller coaster cfp-d(sys zs z*x7j2,x arts 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 reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictionlessly along the curvedzm8l u*tob,+bgou5f0 track from point A to point C under the influence of gravity. What would be the direction of the cart's accele b50 l*ug8mutobf+ z,oration at point

  02.40: A box with a mass of 50 kg is dragged across the f luh89odig (dh(ip 8j*/9tj imloor by a rope which makes an angle of 300 with the horizontal. 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 shownijj(p i8 g9(otd8/ i9dulhh*m in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed agai7fm,xx hmy h4*nst a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the 7x,4xmhmfy * hcoefficient 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 lawn mower acrosd 67tpi3p i)fut2 b*:uiii3ges 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 th*i6b7t u: feuip2g)3i t3ip die following 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 moving. Which of j/6w *u5 r7o6gv /z g-xbgceubthe focvwgr/ug gu6eb76j-/ x5z* bollowing statements concerning this situation is CORRECT?

  06.15: A crate of toys remain1dbch6 s empef.g7 )e;s at rest on a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is f7 cd1 mpbge e)s;he.6not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?