99.36: What happens to the inertia of an object when its venohji5x 0fz7gss-g7fe9f 7 u (locity is doubled?

  02.14: An intrinsic prop)w(q g:hin70v v6e7enw5gpkm erty of matter is one that does not depend on the quantity of matter present. Which of the following properties is NOT an intrinsic proper(qnepve v 5i: wk)w0mng767gh ty?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume the E *si1mf m+mavf/ 2t z5szx4m4larth has mas2sam/s4+v mzit*x m4fm1lz5 fs $5.98 \times 10^{24} \; kg$ 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 ij:1za lypg c *bo(z;3as the magnitude of the gravitzyo:3 al(jc1z;gab* p ational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible fdc;w,warv,/cz q0e9u or an object’s velocity to increase while its acceleration 0udw,v9ezc /q ;w,racdecreases?

  00.11: A certain particle undergoes erratic motion. At h55 -v:n;7 u5jvqe6tf0gm xeyypfk/mevery point in its motion, the direction of the particle’s mom;5u-g5t vhyx ffm657 m0 ekyjvn:epq /entum is ALWAYS

  17.14: A block is suspended in the air at the end of a st cyqz 02cv5+evring 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 followivzc e2y5+0v cqng 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 situ*h4vlmy/p nb0c+ms y/qq3n /nations is the net force constantly zero on b/m v/p 0/nnsncy 43 hyq+lm*qthe object?

  13.28: An object is in v+3addccz nj-*8; qftgki h;,free fall close to the ground. A person intervenes and slows the object uniformly t;dq+hzgkdc i3f8ntc jv,;- a* o rest. Which one of the following statements must be true 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 has three forces, F1 of 30 N, F2 of 5h9mj h4mf/j-+r2 ad:hpe qfq-wd9 5br0 N, and F3 of 70 N, acting on it. T9rfmd 5/2hhqfp+ -w-4j jhq d r:mbea9he magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons a-/hp34 c6t wxs)p8ieitbolb, nd a force of 10 newtons can be combine to form a resultant wph4- 6w3b)pt8i t,cbex so/il ith a magnitude of which of the following

  10.06: Which of the following statef7bbzk(wy:x:e xv+646y tzg-yv fvg4ments is most closely associated with Newton’s Third Law of Mv746 b y:vbgv:xzkef 4 6zt(f+yg yw-xotion?

  95.06: The reaction force do29 otem rdv cnw yvn2s9ep, /ul56h28bes not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is acceleratoi4ol1nap. v -ing upward. Which one of the following choices best represents the Newton’s Third Law pair force to the grnl4a .o1io-vp avitational force acting on the box by the Earth?

  15.15: A skydiver falls dowy7 rlx 2h l.e2)d dxgz6a)d;mhnward through the air with constant speed. Which one of ly72xlhh. d6gzm 2d e);rxda) the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitokw50oefq;(:z3d 4lxaua5 z vcher with a speed of 35 m/s. The batterswings and hits the bxo0 5kq(l;5zwz: e3of vuda4aall. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sivlu81 rb:hn (fts 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 pair force to the force that the table exerts on the book?l1fh: n8u vrb(

  05.06: The students in a Physics I class were in lab con5 e3hxovz *yg1uab99x u dl;p.ducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions xd .1ge*apvxbh ul;yo95uz93can the students make?

  99.03: If the net force on an o0teb ,qqz 2*crbject were doubled while at the same time the mass of the object was halved,then the acceleration of the object is 2zt cq0rbeq*,

  96.15: A car whose mass is 1500 kgp ncw7+iuyi / nbcla.:h3b l7) is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating:cul h+i.yb7 na/pnwc73 b)li the car is:

  99.05: A tractor-trailer truck is traveling down the road.(7*gu):cak8 ouw yh ci The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force thk)ouw iu y 7cg8a(c*:hat the trailer applies on the tractor is

  99.16: Which of the following principles best explains why large tractor-traile- bt.jg2yuv 0u1i -qa7u :vcw:opc i9nr trucks generally accelerate much more sl - o:1y:jq aciu92pbuv gci.tw07n-uvowly that automobiles?

  99.19: A 50 kilogram skater at resl2.+rlhp 6fglt on a frictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes thfl62hgr pl+l .e subsequent motion?

  00.13: An object near thamgb 1/xa3)a le surface of the earth with a weight of 100 newtons is acceleratebax3)g ala/ 1md at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is acceleraw;b5j+a5 (rrm lrlij- ted from rest by a constant force of 2400 N. What is the speed of the car 8.0 s after wl5ri r;jr(a5lmj+b - beginning?

  98.32: A 3.0-kg block with in2 by:faine 2 az;;ij-uitial speed 4.0 m/s slides across a rough horizontal floor before coming to rest. The frictional force actiib2;iana2:;e fy-zj u ng on the block is 3.0 N. How far does the block slide before coming to rest?

  95.38: A block with initial v0 d+xm auy+.tpa5fyczff o7,;elocity 4.0 m/s slides 8.0 m across a rough horizontal floor before cpyf fm0tx7ya+.+uzdo,a5f c; oming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surfq r*,zv cbb5i-ace while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction betwz,b -5b *vqicreen 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 uniyny;qr 5mo4):8 rqbn jformly 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 coe4;5qq)nyrmb ry: n8 ojfficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides acr/wqj)9ra *ut lqrc5- ooss 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. Th qo*qrr w9 j5lutc-/)ae 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 it)gr u59t 7cf9chqvn gt )ws1gi,8a2zs s brakes locked.fvq,sr178wuc c ) zgat )ih259tsgng9 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 speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emergency stop by sl53unm zuop;,se 89 gx1bgp*wqamming on the car's brakes and skidding to a stop. Hoo3xuspg*1u8meg 5nw9z q,b;p w far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of.hhknnx bp922 an automobile must carefully control each of the following devices. Whnb.9nh kp22hx ich of these devices 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 mih/so4wg*:q7/ ib5ql ib5ck a rocket with a weight of 15000 newtons is 24000 newtons. About how much time is needed to increa q:hqg7bwcoks/ 5 *ili4b5im/se 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 horizvwi.p m:5 n)hbun,e ,ge.m8tpontal 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 thesepgm ,.,nen .h uiptv ew:)b5m8 three forces exerted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal lenwa n)nujyxo44zc/: s6 xv41t;enb9d egth. Assume that on all tracks the roller coaster carts start from rest at the same elevation and move vdysn49e a n4w6:n4)teocj/;zx1b u xs 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 of equal pjlk-lm-yn vvgk.hb m3 9t i.+in:(a6length. Assume that on all tracks the roller cgn-+-m6(njvikv ih ..9lmkba l y p3:toaster 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 frictionlessly along the curved track 2gb*f+ vm 2pgu xv,uk2o h0to4from point A to point C under the influence of gravity. What would be tho xbomhv vpku t2g24fu20,*g+e 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/ epcc4.pd/gkm -/ 0de)l voeg 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 e/gp/v-p)c lkd4 gee.0omd/cm/s as shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed axf /pmv :ge.q9gainst a 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 act: mg9x. qvep/fing on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower 0a e /1bhn(jvcacross a horizontal patch of grass with a constant speed by a0vh a1/ bnej(cpplying 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 among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a c;ce(ng8,;gak a)zwa xoxg2r0rate on a table. Neither is moving. Which of the following statements concerning this situation is 82a0x(xkna;ge;), g wzarocg CORRECT?

  06.15: A crate of toys remains at rest on a ssu4 uoue*3g1j: -s b8l ia7odqleigh as the sleigh is pulled up a hill with an increasing speed. The cjldigq1ua3b- *e784 u s:oosu rate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?