99.36: What happens to the inertia of an /pt5axh *g;9 cqjj9/xrib 0 gtm15whz object when its velocity is doubled?

  02.14: An intrinsic r33ac3b+h vjo.snf 1 smo0 bh0property of matter is one that does not depend on the quantity of matte. arn bh0 jhosf3os0mc3b1v3+ r present. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. A)ujjm*x/xz (drzmwe7 t1mf2 + ssume the Earth has mass 1(ef+ 7u/2m)mdr wmzjzxt*jx $5.98 \times 10^{24} \; kg$ 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 is t8 tq mp +*uwe/,o/saa,1mek yahe magnitude of the gravitational force acting on the eart8m1s,/* p,t/w e ekmq+ayauaoh by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to ii t,tq,i6cv7 increase while its acceleration vtc6, ti,q7iidecreases?

  00.11: A certain particle undergoes erratic motion. At every point in itdop2a/)u d-g / (kefsas motion, the direction of the particle’s momentum is A- e2(d)kspfa /d/ ugaoLWAYS

  17.14: A block is suspended in the air at the end of a string held by a person. wh g/6,tk5:tpnr j bhz ls);-aThe person pulls on the string uniformly accelerating the block upward for a short time. During this time, which one of the following choices correctly identifigjph5r a s;:lb zt,w)kn-6t /hes 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 )qew jvsp+bsh6e951w sai1;k net force constantly zero on th je5e6bv w11s;hp saik)s+wq9e object?

  13.28: An object is in free fall close to yrhmi v/5x6 *dthe ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be t i*m 6ydhx5rv/rue 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 equilibriumui7zp; zvb2* e has three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of2z7bipuzv e* ; the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine nfb/tgw mz wns2+a9.- to form a resul w nw+.ngs/zab2-9fmt tant with a magnitude of which of the following

  10.06: Which of the following statements is most closely associated wit,w3x7xe-ot;w) hspm)yj1z mth Newton’s Third Law of M)z7oxtp, ws ) jwx h31ye;mmt-otion?

  95.06: The reaction force does not cancel the action force becs, gjxsmq 61c6 i(q 2s7ze;+j*md aremause:

  14.14: A box rests on tht vlfn.0ld*6a+yc id0 e floor 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 0nadl vy f*dtl.+06icby the Earth?

  15.15: A skydiver falls downward through thyi0bdf0xh )f(h 7-lw ve 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 skydiver during the0hi7l )dy(-xwvfb0fh fall?

  06.08: A baseball is thrown by a pitcher with a speiliq*jl .:+g rb ji-,zc9h;dz ed of 35 m/s. The batterswings and hl br*, zgiz9+;:cid jij.h-qlits the ball. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics boo8,)wn zftbggtz yxbhx p*+i,/0g;p5zk sits at rest on a table. On top of the book is a calculator, also at rest. Which one of the following choices is tht/)8 npif;p gb 5yhb,xgz+z0xw ,tgz*e Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students i:m g-a:6 t xs3je.vku .wdd ,xavs//vnn a Physics I class were in lab conducting an experiment related to Nk wxn mta:-a/6djs, sv.3.v/ux d:vgeewton's Second 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 the mazeuww-c 9b;;p9qmrfovy6, i9 ss of the object was hac; ; 6obfmwi 9v9yp9,qr -zwuelved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from rest toyg vs:x;vj :r* a speed of 20 m/s in 10s. The magnitude o :;srg:vv jy*xf the net force accelerating the car is:

  99.05: A tractor-traileis-,x/hqmu+7 3l g,9,;ah mxesgdl o cr truck is traveling down 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 applies on the 9lh 3cem ;,os +uxm qix-7ldghag/,s,tractor is

  99.16: Which of the following principles best explains why large tracto9466 cxweq s8xo owus7r-trailer trucks generally accelerate much 6o79 6esu sowxq8w4xcmore slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a rjyuoog5h bi(),+o w7frictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes the suo uj (rioh y57)+b,gwobsequent motion?

  00.13: An object near the surface of the earth withb 0)q6xa9cf; f7 1baxa .njqaw a weight of 100 newtons is ac n61) bcfabajwa0;7q9.faxqx celerated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelera2;3h 5l x-faqq,plcdyl*d x.qrs8e +kted from rest by a constant force of 2400 N. What is the speed of th dle*xlk+f,5xq8y3c- ;rasq. dqplh 2e car 8.0 s after beginning?

  98.32: A 3.0-kg block with i: 1bcsm4cqe2a p3jk 1hl4a mv3nitial speed 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 does the block slide before coming1 3jpvs4mhm3a1:eck 4c 2bal q to rest?

  95.38: A block with init+6tnar 1s r0ug)cb 9tnial velocity 4.0 m/s slides 8.0 m across a rough horizontal floor before comiu1ngn r0 69t t+brs)acng to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remapq qwi7n3ps2rryduv1t+ 8/*iw mv(- z ins at rest on a horizontal surface while a person pushes directly to the right on7+( 2iz3 yp v qvni8spw*rq1r/twd-mu 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 initiall o0a/ru21otu r2alo2d(:vtaoy moving at 8 m/s accelerates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following choices best represents the coefficient of kineticd raov :u t/012a2t2(roaluoo friction between the surface and the block?

  00.21: A car of mass m slides across a patch of ice at a spefxv9),r e*yo4gn)mfk clcdk q*c : h-(ed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coeffi mfl) kx9ogkc e4q,dy**(: ch ncv)-rfcient 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 across a patch of ice at a speed v with itqp8t)p1fryd/86 ix,zp wkd4 z s brakes locked. It then hits dry pavement and skids to a stop in a distanced. The czw8dzpq xp6 kti1fr/8)py 4,doefficient 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 /bk9h1x nlcn;p aq9m5bcap22 makes an emergency stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it had been traveling twice as fast?hab ; p/5c2qx kb9n1a9 cm2pln

  99.39: The driver of an automobile must carefully control each of the)4uf8vz9sf6 4pk faza following devices. Which of these devices can cause an accelf4a4af8)sfzp6v zu 9 keration 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 8jp20j ,qrf ox2,msdp8(nk7k-p fyu fof 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 surface of the Earth fju8, sp2(0dfqompfn2k -8pk7,jx ry at takeoff?

  07.21: A box slides to the right across a horizontal floor. A person jqsa :n( n .pt33 /fsfoa 5z)yincs/*ecalled 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 bo./nnj:5 qo)ffsa (aiptss3* 3cnz/ey x.

  02.27: The diagram below shows three roller coaster tr*z(rrs((. bkt 4sc uppacks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the trac(st.*sc(ub(rp 4pkz rks 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/+ 6tjan:8xh* mvpmds tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same mtx/ nv* 6hjap+d8s:m 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 th.eg6w)roosg 6 bsu8l5 -d 6ghje curved track from point A to point C un.)goj o l s6e-s6r g5wgdub68hder the influence of gravity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor by a rope which mxo)8 g wk(skh7akes 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 xgk hw78o)( ksnewton 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 avbs(z (*.ylu *16 + f0qjqulv e,iqsnr wall 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 friction acting on the block after a time of 1 b1 q(zr n,s(6squ0yiuql*j.+v*fle vsecond?

  05.10: A homeowner pushes a lawn mower across a horizontal patch of gr-,na8z a jp1i 9av6 hea)zm3rfass with a constant speed by applying a force P. The arrows in the diagram correctly indicate the dirvjz861 ,aa e3-p 9zfrinmaha) ections but not 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 ag)h,n a /l0dkblohq+6 eainst a crate on a table. Neither is moving. Which of the following state+0boa qelnl, 6kdh )h/ments concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as tn5:5 b4rbf49unsoh q hhe sleigh is pulled up a hill with an increasing speed.ob r u9b4n5h54hnf:qs The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?