99.36: What happens to the inertia of an object whej1qp,i 55d, xs-1sd thn+z5zxy9n( dqhy o/thn its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not dq7 dsjr-pkje*ta /tu;i+)4+owk i0doepend on the quantity of matter present. Which of the following properttka- o4eq)usopkd*;j 0j+ t7 iir/d+wies is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Eart n t3 no9epg,33udkms2h. Assume the Earth has mako2 s3,g 3pdm9un 3entss $5.98 \times 10^{24} \; kg$ 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 s. 7izb wu26((joiczfu urface of the Earth. What is the magnitude of the gru 7(f (62u.cjii zozbwavitational force acting 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 increaxghw;:5i xw1v(rvk ;dse while its acceleration decreasv ;15:x;xgrd w(vi hwkes?

  00.11: A certain particle undergoes z29mw x85dtqcem -+7y /xmc bverratic motion. At every point in its motion, the di -qm8c+ 2xmt9e7 v5bdcmx/yw zrection of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a string held bl3k( 62vgz e1zks1 bxhy a person. The person pulls on the string uniformly accelerating the block upward for a short time. During this time, which one of k2(gzxv 13ekh 1sbl6zthe 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 the following situations is the net force constant fk /b;wa012n9; keodtuck7y kly zero on the ob;7c9wo2k ;ny daf 0e/ukk1kt bject?

  13.28: An object is in free fall close to p f;gmnr8+fvydr0:j .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: f pd0n8rf+.yvrgjm; 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, and Fmiuwk/ -u hm70mp3 kold(-wl 13 of 70 N, acting on it. The magnik3mdu-h(w -lm/ owp7kl1 iu0mtude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to form aab6gj g8(c*3x o 2dtbl v+1qvy00upbr resultant with a magnitude ofbba 1ot bgd2y*vq ur pj63(0xcg80vl+ which of the following

  10.06: Which of the following statements is most closely as t le+j)az-t7asociated with Newton’s Th7l+teaa- jz )tird Law of Motion?

  95.06: The reaction force doesjwfa( z uwwf+*mhm)x:zc0w,)/y u3 nj not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is acceleratind ;a ;uwp3 oy1/eym4vag upward. Which one of the following choices b4ma3 v 1upoeywyd;;a/ est represents the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward pj- h k;x)2kl,(mvmg81a d iwfthrough 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 skydiver during the ,;) g28jhxak- plwmim(vd1fkfall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. The:mfyg*b)bh c)0 x l+lo batterswings and:bo+g*mhylx)) 0 fcbl hits the ball. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book si /pol*a1jlbz5ts 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 pzbjl1p a*lo/5 air force to the force that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conductigy mycr s+3z30ng an experiment related to Newton's Secondzy+0c3mgr 3y s 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 thevh):l jx n:ra4;0kgs m same time the mass ls g n:0rakvh;mx:)j 4of the object was halved,then the acceleration of the object is

  96.15: A car whose mass is 15n; c:9atd:hv3nx mvb. 00 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. Thvxtcd;:nm a h. 9bv:3ne magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass of thetnhi)w;b 56jq whkg(v 4l ;lbe-cc0 oshe98r 2 trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applies n;kr(5qw2 vwcj9-0leo86lh4)h hsti ce b;g bon the tractor is

  99.16: Which of the following principles best explaes3;g+bcuf p6ins why large tractor-trailer trucks 6gep+bu 3cf;s generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws a 5o z,vxvmkl9q66f ;il2 kilogram ball, giving the ball a velocity of 10.0 m/s. Whv ll6,kv 9i5fz6xoq; mich statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 100 new,bu ,v de-ei/vw 6iq*etons is accq6i- ee eidbuwv,v */,elerated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 wtrv/v6sth27 e x5f l+w 4*bfmkg is accelerated from rest by a constant force of 2400 N. What is the speed of the car 8.0 s afterx v7wftvs*5hmb t/+l w462fer beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s s d:ug4 s -dwjl +swnkrd+2jd/2lides across a rough horizontal floor bef2jd:sunjd gdws/4+lwk +d2- r ore 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/yc 6re2 ia bh53:6adjm 0lzqx*s slides 8.0 m across a rough horizontal floor before coming to rest. The coexmreh6i3b:lq y a0*z56da2 cjfficient of friction is:

  09.21: A 20.0 kg box :pdoxir + mu ev0se g3.(xwq*1remains at rest on a horizontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic frogeu3:. mdpxv ws+ xqrei(1 0*iction 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 rest on a4 wh a /4y2 ola.6wba3op,pxas horizontal surface. The block travels a distance of 12.0 m during thypo xwl/p a ,h4asw4a.6b32a oe 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 4zy :z (2eg fq*tbk7/l(q mjvvbrakes locked. It then hits dry p fv2/t(zq7g(jykem qbz* :4vlavement 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 across a patch of ice at a speed v with its brake .:2*j;ck qpb -itklb29r megqs locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kltgkk bjrci2 .2-: ;bqme9q* pinetic 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 b)hfscaci0: *grakes and skidding to a stop. How far would the ci0cs ga :h*f)car have skidded if it had been traveling twice as fast?

  99.39: The driver of aogpy5 /)a:-twre415b t wqwatfovn9 )o1vu-dn automobile must carefully control each of the following devices. Which of these devi1/ utdr1pb:wanw9q5a t- ogovf)o5v ew4y - )tces 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 a weight of 15000 newtons is 24000 ne-x2 iuu449bgxrkd- y ywtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 m/s near the s42r-9x-x uyib gk4duy urface of the Earth at takeoff?

  07.21: A box slides to the right across a horizontal floor. A perl zw1s1i*ux,s9 g+ blason called Ted exerts a force T to the riggls, 1 ula9xw z1*b+siht 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 tracks of ti)u h bq0sx/4equal length. Assume thhu )4ib/ tqxs0at on all 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 /u m/rft3kn4 ubtn9y(roller coaster tracks of equal length. Assume that on a( 4uunyfbt3r/k9 / tmnll 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 reach the finish first?

  02.29: Assume the rollercoci :/eee1( zra9 wgav.aster cartrolls frictionlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's acceleration ige(cz:vwe.e1ra /9aat point

  02.40: A box with a mass of 50 kgtqxyoo4t7sy 1j 9g2wr z aw:0:p1d: lt+ivhm8 is dragged 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 m/s as showtxo98 +tt: ir yzwas:4gq 2pom 11:j7lwhyvd0n in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed against u)x2pov,a vz ror8p:,a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient o )r ,xo,82provz:upavf 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 across a horizonu31 rh+kkos: dtal 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 the followinuk +h: ko13rsdg relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. pqnt6f; 28j- oqvbvvwp8(:mkNeither is moving. Which of the following statements concep6vwf:(btjmk qv- p8vnq8 ;2o rning this situation is CORRECT?

  06.15: A crate of toys remains ai1 7ir5(q kxidjqls+c;wfn65 n :qxw2t rest on a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is respons:( i+inkqn12iq dfscjl6 ; wq557 wxrxible for the crate’s increase in speedup the hill?