99.36: What happens to the inertia of an object when its velocity is doubledvg7lhwyw6 qjqxf ,c2 p9di64; ?

  02.14: An intrinsic qpyrqicay i :v83qw -hwp2j7,)3nl *bproperty of matter is one that does not depend on the quantity of matter present. Which of the following properties is NOT3ny i 2),yqrlpc*h7b a8qj:w- pvwq3i an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth.mp9p.z5 zoo,b Assume the Earth has mass zop95,bm .poz $5.98 \times 10^{24} \; kg$ 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 n uxas86/dx6 gqq m/go q,ruw7aby73 x;ear the surface of the Earth. What is the magnitude of the gravitational force acting on the earth by the sphere? The Earth masuu x; yad7gqb8/6r36qq/wxmxogsa 7,s is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity, qhh cw;misyu/ 5mj++ to increase while its acceleration decreah+hsj/w u;i+cm,mq5y ses?

  00.11: A certain parti (u .l+6/ 83ul5dsegpngn g9manj iwb/cle undergoes erratic motion. At every point in its motion,s5egu8 l n//lg3mjwn69nuipbad. +g( the direction of the particle’s momentum is ALWAYS

  17.14: A block is suspendedsi- m6,m hzudu.f8kk jq5+y +d in the air 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 fol8u, qh u5m.y+s6kidk mjz-+fdlowing 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 consta 5 rg;27 /jkazlfcsgsfji9q*- ntly zero on the obj2jaigf9 lkq- r*fzjg 7;/5scs ect?

  13.28: An object is in free fall cl5;dcg7,wmigh-ev . lws8,wlk ose to the ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements musth ,lg.s5wm,e vwi8 dl-kwg ;7c 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, F19egim0z/mq 8r of 30 N, F2 of 50 N, and F3 of 700ie q zr/g9mm8 N, acting on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons t:7y) n: zcndmow/:2-fcxlvxand a force of 10 newtons can be combine to form a resultant with a magnitude of which of tn : /c ::wd2lz7ntx- cyxomvf)he following

  10.06: Which of the following sta+lq m9iee9:kw4 mm x)a23hqh4 l3t twmtements is most closely associated with Newton’s Third Law of Mem2xm9l9wqm 43 i4qeak hmwh3+:ltt )otion?

  95.06: The reaction force does not cancel the action force bec05 g+i h.h:y ;k ngdfisf)yu*pause:

  14.14: A box rests on the floor of an elevator. The elevator(1 wtzj t wbf- ol)z(m.yar-i, is accelerating upward. Which one of the following choices best represents the New)zylz( m-rt1j.b f-a t,w(wi oton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls doe;6b 0+,aprin()+tglv tcsg-y b dufb0 ;s,ep wnward 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 skydi su+eg (0b,tn- sg0rpb;,lb p;vt+)yd6ecfiaver during the fall?

  06.08: A baseball is t*xmf/dsurr/vzt .m4dxso9 3 5 hrown by a pitcher with a speed of 35 m/s. The batterswingsm9r .5 /dxxfrms/ z 4uv3stod* and hits the ball. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits axb90d z up(xnxu6/ hs0t rest on a table. On top of the book is a calculator, also at rest. Which one of the h/( x06b0nuz9pdu sxxfollowing choices is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conducting an expm0nh::c y:uny g/d wv3eriment related to Newton's Second Law. The collected data were displayed on the graph at thev:yhnuy :d0/3g cw:n m right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doubyutja6-xpc 142n n 1wbled while at the same time the mass of the object was h2xn1u14nj b -cap6wtyalved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg h9:ywc++x ufi gbc9.tg-ve+i (h3z dw is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of +.dz yv c x:i bwi-f+htc9(+guwg39ehthe net force accelerating the car is:

  99.05: A tractor-traeuqs05:f0d1v d2rhc l iler truck is traveling down the road. The mass of the trailer is 4 times the mass of the trad fd01rqc s5u:h vl02ector. 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 ldirf3r e 52 stst+n(.oarge tractor-trailer trucksd (trf+nts53s2eo .ri generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionr6fc v16 x3f.+ifkla iless rink throws a 2 kilogram ball, giving the ball 6 f6+1fc axf.ki3ilr va velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the g9scn 39dx3 lujngn14e 4zj hjry/)3bd l.0xjsurface of the earth with a weight of 100 newtons is accels4du/1g3 y jr3cde 9jjnlgxj 493nxzh)bn l 0.erated 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 azotig;dr50l*ndue 79 constant force of 2400 N. What7o5u9idd e*n r gt;lz0 is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with ik*kkdt0og+v .nitial speed 4.0 m/s slides across a rough horizontal floor before coming to rest. T*+odkk. g vkt0he 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 in/d czz+.6 wcpeitial velocity 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coefficient of f ze/cp6+dw cz.riction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a pr9co.;95ijsgbjh wl 0wcr88 a erson pushes directly to the right on the box with a force 8r.o8jcw;5 j 9agwic0h brsl 9of 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 unifd y6c(8ab:ab/w2u ylks g)/,7fb:jgza gpr-xormly 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 :ycd)6bsj 72za axgbu:-r8(/,gkflpbgwa/y the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides a/rgpu5, -jcb j5g +mficross 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. The coefficient of kinetic friction between the tires and the dry road is cj p5ru,bg+/gim jf5-μ .
If the car had a mass of 2m, it would have skidded a distance of

  00.22: A car of mass m s)wdl0w35x wl1 zkt og3;,h-rl v/: ytg-lymfv lides across a patch of ice at a speed v with its brakes locked. It then hits dry pavement anlrhy3g 3z)mg:0 okf vt/1d-vy-llxwl t5,w;w d 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 emergeeudk 1*unda5+ncy stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it had been traa5udu*en d+k 1veling twice as fast?

  99.39: The driver of an automobile must carefu0t(ww;a k-zrn82 f 79prybqvally control each of the following devices. Whaq8w pwn0yark fb( v tz729;-rich 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 a rocket with a/ktt2w*4c bjiv 5fb )h weight of 15000 newtons is 24000 newtons. About how much tib5*b4thvwt )c2j/fkime is needed to increase 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 horin.i v ;4-2b(ym*zf mo asui4uqzontal floor. A person called Ted exerts a force T to the right on the box. A person called Mavsi24ab .n i- yu4(u*om;mq fzrio 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 track n.dtd7u8(wdkf( s .ors of equal length. Assume that on all tracks the roller coastkr8of. n uds(d.wt7(der 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 roller coaster trzu jyoqd:e96 k 1l hjgs,5/khae5+ bt;acks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves f5,/luj6sk9+1ha y j;bd keq gt:5ozhe rictionlessly 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 9c.+ek yamd)v track from point A to point C under the influence of gravit a+kcy9m) dev.y. 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 ma1 4nnzgoo ::h44 qfnkekes 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 thennn4e4 okg14 oqzh:f : 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 a ni)y va;k+lejrr-3wzz2,foqe d 9o )8wall by a 100 N force as shown. Thecoeffzfj we9d)orzol2e a,;n)kri v 38+y-q icient 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 second?

  05.10: A homeowner pushes a lawn mower across a horizontal patch of grass cc*n/vt ,o*p vwith 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 among the various force mag/o* tpcnc,v* vnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is 0zqx- :vm(mxmxs6z .y aq+i5 gmoving. Which of the :6xqq(5mv yx. zm sxgim0az+-following statements concerning this situation is CORRECT?

  06.15: A crate of toys r4bws;)tv+v(8zupo fc oa7 ,g m5pvdw.emains at rest on a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sv(w;.go, twsuo vm7pzfvc 854+ dpb a)leigh. What force is responsible for the crate’s increase in speedup the hill?