99.36: What happens to the inertia of an object when its velocity is doqrcm qp4ntfy( /v6+i ph*noxv , 4+a*bubled?

  02.14: An intrinsic property of matter is one that does not depen 7a5.w at-; ,idy jcxw,rxdm3wd on the quantity of matter ic-jx,w37a wd,.dxa; r5mt yw present. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface okeq2f ab )mxcx.: zw86f the Earth. Assume the Earth has massb8qxf: w2) 6xkmc .eaz $5.98 \times 10^{24} \; kg$ 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 th3;atx bowi.,z e Earth. What is the magnitude of the gravitational force acti xi,.w3toza;b ng on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its aco vvxmm+x8;u /celeration decreasex;v +ouv 8m/mxs?

  00.11: A certain particle undergoes erratic motion. At every poin,0 csp0p(r(h rnzn- zg -*sksot in its motion, the direction of th ppn(n -cz hzskgo (,rss0r*0-e particle’s momentum is ALWAYS

  17.14: A block is suspended in the air.ag 4e5xqwr-t* u+7uw f4stf w at the end of 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 correctly identifies the Newton’s Thiwt54 4gx-.f7 u ws+uw*fre qatrd Law pair force to the force of the string on the block?

  07.18: In which one of the following situations is the sbzkkay .ts7r-(h u4znt(9 0pnet force constantly zero on the objbkhs4nyzz .rt (u9tkp0a s 7(-ect?

  13.28: An object is in free fall0myu78h7bso v6 i)yd a close to the ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be true s0y am 6dohv7yibu7)8 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 magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium cek ldo:q.zz29 av0r7 has three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, actingklzr 9c7vq2zad0o: . e on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a for vhf 6wsyhw7p)u g8j3+ce of 10 newtons can be combine to form a resultant wh7+3p fuhjg w 6vy8ws)ith a magnitude of which of the following

  10.06: Which of the following statements is most closely assocogi: yaz9+vjo62oax :iated with Newton’s o:oz 6+av xoa92yj: igThird Law of Motion?

  95.06: The reaction force does not can-cd *rm7ylv 2hcel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator z; ;w bhxh bdkyu+*mz/2hti /5is accelerating upward. Which one of the followindhht+/; *uhi2x wm5bk /b;zyzg choices best represents the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls dowz 0r;du0;amu -bhjc)x nward 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 skydiverhcdm;z0 -uju;0b axr ) during the fall?

  06.08: A baseball is thrown b6nnt y+y/ 4 :buyxhs;ky a pitcher with a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on txyby: ;tnhn +kus/4 y6he bat is always

  11.13: A physics book sits at rest vah58sngmak-, 4x 7emon a table. On top of the book is a calculator, also at rest. Which one of the follo-8e 7v4mga5sk ,xamhnwing choices is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students iir1, 3esnz(t wngm4r+ n a Physics I class were in lab conducting an experiment related to Newton's Second Law. Th,g3 4+ mzir(wn1nrst ee 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 18slzx x) kj t ;c-emtjj(7szz-i*o5iat the same time the mass of the object was halved,then the acceleration of the object jjjkx5oz *m)7is- z stxe18; zicl t-(is

  96.15: A car whose mass is 1500 kg is accelerafp s / os6mbw-y:j02/khqeh5b ted uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating t eso/ywqkfh :bj6b-mp02 5/hshe car is:

  99.05: A tractor-trailer truck is t(z*mx1ht f ;ntejne++raveling down the road. The mass of the trailer is 4 times the mass of the +t1e;j nxhf*(+tzmn etractor. If the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why n.zyb)p 3zus iq+ q( s7grkird5n6,* qlarge tractor-trailer trucks geneyiq(6 qrs b,q p)s5z+nr3zk d7gu*n. irally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink thir (i,3t ,wvkgrows a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes the subsequi3 igwkr ,v(t,ent motion?

  00.13: An object near the surface of the earlr;au3p4 m.lgth with a weight of 100 newtons is accelm4 a pr.;3ugllerated 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 consk6cf6n (7nbilymwr.9 ; di tw-tant force of 2400 N. What is the speed of the car 8.0 s after beginnin7itylfbcrkw; in- m (6nd9 6w.g?

  98.32: A 3.0-kg block with initial sel17my tso50kxg+hh :o, z+oupeed 4.0 m/s slides across a rough horizontal floor before coming to rest. The fricti +ke5gx: o+,zyohul1oth 0ms7onal 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 u/wa x7y5nip5velocity 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coeauny x/p 7wi55fficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surfj9 i9. z)9r2x xqegazcace while a person pushes directly t)xz. zeaj9 r gi929cqxo the right on the box with a force 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 revgs -/uqzkdp.a, pq frdo8*. 9st on a horizontal surface. The block travels a distance of 12.0 m durinsq9v q/o.u 8 pdpzrdkg.f,-a*g 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 v with its braku-u+u/bp7n f hcogw - 68gs+jmes6+ou7 jh-gbfs+ -mnc pu/8wug 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 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 slix4vj 0e8 l6ytnnsl()zdes across a patch of ice at a speed v with its brakes locked. It then hits dry(4e s zyxt8l n60jn)vl 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 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 car's brap:hhe:f cm(3sy4 cq6 skes and skidding to a stop. How far would the car have skidded if it had been traveling m3c4h6 fsch q( :ys:eptwice as fast?

  99.39: The driver of an automobile must carefully cont-kk:lh +(blv .ooo9 cfrol each of the following devices. Which of these devices can cause an acceleration in a moving9ok:(h lo.cvb-olkf + car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a roc 6 qs5;4spgnxsc:xd; hket with a weight of 15000 newtons is 24000 newtons. About how much time is needed to incrsdn6:xgqs5p s;4ch ;xease the rocket ’ speed from 12 m/s to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right across a horizontal floor.nf krg -(gdg) 4,7jwho 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 the oggrdj g74khw n),- f(box.

  02.27: The diagram be)1z5hwcds pga 1uyv()t; lhbds r ,4e0low shows three roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from reu)4cbs1lwtvz ydh r,da1g 0hep();s 5st 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 mw-bzq-l mn ()coaster tracks of equal length. Assume that on all tracks the mnb) - wzlmq-(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 reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictionlesstpuq9 z7ai/1 bly along the curved track from point A to point C under the influence of gra1p9u7azbt i/qvity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragg1u:(j4c vs tpzed across the floor 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 1s (jczup:v4tm/s as shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed againo -q1it5ajz;t st a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static 5q zj;iott1-afriction 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 patc:ph gc*5sfdu:2zxo08ay+8g t nvhf2uh 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 following relations amon*y : 8nuogz5gt2dc hauhf8 sp+0vf2:xg the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is h c* ,z0a/d cicetfj5rb)+m4xmoving. Which of the following statements )tzjh 5+xec/a,d0r*i4mfcb cconcerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleighak8b x)l:rka q33xf;a77jl ni as the sleigh is pulled up a hill with an incr 33k il lkaa 8b;faxnxq7j:7)reasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?