99.36: What happens to the 9q7:uibe tif :6 q*ioyinertia of an object when its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not depend on the quantq,(5gzmesf4)+c 9z8l v e:t; jzth xawity of matter present. Which of the followingz 95(e,v8hz:ejm+ cqws ; zxft)g l4at properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rzzi: 1.of*kkcpw k-t* ests on the surface of the Earth. Assume the Earth has mass z *ko wkizt1 cp*f:.-k $5.98 \times 10^{24} \; kg$ 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 sphereuf 3uv6mvw(-p :g ecx6 is in free fall near the surface of the Earth. What is the magnitude of the gravitational force acting on the earth by the sphere? Th(u6mcpu6gvfw3-ex : v e Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its accele s. nbasucd)()1.ag alration ). bsac u(gldsa.na1)decreases?

  00.11: A certain particle undergoes erratic egyzq7safslnk , ; :06motion. At every point in its motion, tzq,g:s 07ysnk la; f6ehe direction of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end op.0 y1gg ,y:gce cek4rf 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 Third Law pair force to the force o1yg:c 0c r.gekgy4,e pf the string on the block?

  07.18: In which one of the following situations is the net force constantly zergj1zv +da;y7bo o zba7+;v1ygdj n the object?

  13.28: An object is in free fall close to the ground. A person intervjaxmp69*vona0 l:d/2v*vow u enes 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 by the person? The magnitude 6uo:pv 9 daxlv m0n** 2ajv/owof 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, F1hxuj 2m 20s rtds+a4z4 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. Theu0atj4sz 4 2x+hm r2sd magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 /zls68myrl4f-ai 0kldv , l9-ka)jcp Newtons and a force of 10 newtons can be combine to form a resultant with a magnitude of whicp j0izls846la, mldklkcv9 )-ay /fr-h of the following

  10.06: Which of the following statements is most closely associated with Newt95pt8(jerj pf f o7fe 8z7u2zoon’s Third Law7fzup 5f 9fzeeo 28tj7(o8jrp of Motion?

  95.06: The reaction force does not cancel the action for6s*lu - 8p ,zlik -x0dqhklfw4ce because:

  14.14: A box rests on the f6 2k1b1bv tiprloor of an elevator. The elevator is accelerating upward. Which one of the following k6tiv1brb1p2 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 downwa/bht xpbpu;9omq ( pz:ma7k 03rd 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 skydiver during the fapz b 9pxmkq/3pho(tb;m u0 :7all?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. The batterbyg /xe4nfn)d5p,v;a swings and hits the ball. The magnitude of the force that the bally)g54 dv,anpxeb; / fn exerts on the bat is always

  11.13: A physics book sits at rest on a table. On top of the book is a calculat awr9n 2bc+rhy+f)sq 2or, also at rest. Which one of the following choices is the Newton’s Third Law pair force to the f )nb9f sq2r+hawryc2+ orce that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conducting an e 6+ a,mai (pmjjqex9k3xperiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the studem9,k q(3jp+6mijxa e ants make?

  99.03: If the net force on angzu/dus/t6 zw( 4lq q osf35(z.lzb;r object were doubled while at the same time the mass of the object was halved,then th4q r(zot;l 63s uwgfbq5 u. d/(zzslz/e acceleration of the object is

  96.15: A car whose mass is 1500 kg is accele)8ncrq9o 9t/vk+5 h*6byehwdwx u h/irated uniformly from rest to a speed of 20 m/s in 10s. +ry9 /whxc/ d*oh netiw6)hk ub89v5qThe magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is tq t ze)ka+4xea)ig2-to m9e(zraveling 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 tr )t-ketz)(gema+a e4i2zox 9qailer applies on the tractor is

  99.16: Which of the following principles best explains why cl ,vdp h.8t8nhz 8xa*large tractor-trailer trucks generallhx 88dp,cz*n8 th.valy accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skaternq 2n9z9pckt. at rest on a frictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes the subsequennqck.tp9 9z2nt motion?

  00.13: An object near the surfazz+2 qg,f( *ozdhhz 22q dc,quce of the earth with a weight of 100 newtons is accezd*+h ,(ufqzog 2qc2qzz,2d h lerated 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 constant force bx7u9*shr 0qy of 2400 N. What isr0x sybu* q7h9 the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a : lnxsa)h7f,z rough horizontal floor before comixhsa:nlz f7, )ng 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/s slide lw ni)(drogd0ne44,as 8.0 m across a rough horizontal floor before coming to rest. The coefficient of friction isi re4d0(4nlag,don w):

  09.21: A 20.0 kg box remains at rest on a horizontal surf:lt,v3mi+s wv e lt 2jnne9v))ace while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction between the +v 9,w3tn2sv)il )veltm e:jn 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 acceh)+)bca+n , grm .bpxij:ul*1ehjxn, lerates 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 kinetic friction betwn,b) lj.h1i :g a*n)xhc+, epb+xrujmeen the surface and the block?

  00.21: A car of mass m slides across a patch of ice at hr1 pkd-ba2 gwhx92w6 a speed v with its brakes locked. It then hits dry pavement and skids tog6 rakxh-wp9 d21 hbw2 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 itswgiw -o;lv/3lsfbb jyu.t1ap d)6)c7 brakes locked. It then hi;w).7pg sw)vt-/1aib d ulj 6yb lfo3cts 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 slamming on t.ow/wsnmx e rst2 1*5qhe car's brakes and skidding to a stop. How far woum/* rssw2e5 wxqt1.onld the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of the follo*z:ogzaqz p01 wing devices. Which of these devices can cause an aq z1*p:az ogz0cceleration in a moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket wi/ ux4pp99x c iknfld/q*)-wlm 4k1 xptth a weight of 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 surfacen) mtlx lx* k/9 / q9x4ip1cpupk-fd4w of the Earth at takeoff?

  07.21: A box slides to the right across a hor, * xgdi0;bhadizontal 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, whba di,; *d0hgxich 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 bet d6dlnhx(* 1wlow shows three roller coaster tracks of equal length. Assume that on all tracks the roller coaster ct w16 x*hnldd(arts 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 tracks of equal length. Asw3l/ pnf 7+qqr69y 4,umjwcicp s6o6 asume that on all tracks the roller coaster carts start from rest at the same elevation awicuc6+ 6/n o9,l6mwp4ja3y7rqqpfs nd 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 alwuuah09(c s0 c d:vil3ong the curved track from point A to point C under the influence of gravity. What would be the direction of the cdavu:0 ic0swl3 c9h(uart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor by a r rie 4aaky6q.ro8hi j0gb6.-lope 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 04.lay6.r-k rji68o ab igeh qmove 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 wall by a 1* v 3pbff0ob+u00 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 blbu0o3 *fb vfp+ock after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizontal patch of grzl75 7)gm f-pdk (zrbbass with a constant speed bykl(mzp 5f-7b )bzg rd7 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 magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a kj.1m z j -iwz-*9u(qyysck m 4.b2gcycrate on a table. Neither is moving. Which of the fol1.q* yi j4z-sm-g. k2uywcmykz b(9cjlowing statements concerning this situation is CORRECT?

  06.15: A crate of toys qz a;/5zva hvxk)68 +l;8b amftfrzmw ,l3w9a remains at rest on a sleigh as the sleigh is pulled up a hill with an increasing sq a av;vw3,h8r8zf59 txaw zz/mm6);+ fla bklpeed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?