99.36: What happens to the inertia of an object when its velocity l7s73 wax5agt4dki7js0c 6wc is doubled?

  02.14: An intrinsic pro+-d 9*hvl+fy*ivx gpz perty of matter is one that does not depend on the quantity of matter present. Which of the following prg i9vp+dx hl+-yz*fv*operties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume t;-/c g k4hxkmrhe Earth has mak/4hk-g;mcr xss $5.98 \times 10^{24} \; kg$ 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 id*c;iptof 1y( n free fall near the surface of the Earth. What is the magnitude of the gravitational dfoi c*t;1 (pyforce acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an objectl+ou(c wyz* lcp8 1,z, loanf(’s velocity to increase while its acceleration decre((f cyz*o+ oz,l8npul1,w lacases?

  00.11: A certain particle undergoes erratic motion. At evgtd-7go)+ tr sery point in its motion, the direction of the particle’s momentum is Adto- r)t+g s7gLWAYS

  17.14: A block is suspended in the air at the end of a string hs 7kc( p.b.+yt84cbhclqp vm-eld 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 of the string on the bks c4t(p. bc-vp 7+m.lbh8qyclock?

  07.18: In which one of the following situati ;kj0j sk5hb ztnokzy*a*: 3.yons is the net force constantly zero on the0 5tkynysz:3za *kj.jhok b* ; object?

  13.28: An object is in free fall close to the ground. A person intervenrwz xb)2o6b6 ges 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 of the object’s acczb rxob6w)2g6 eleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium hk ;q;-m 1);ja kx tssx5z5ousyas three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on ij q;ot )msks;za5;xy1su x-k5t. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons rf1d zh;k ,p4azn tspx)7/1lhcan be combine to form a resultant with a magnitude of wh)hx ashn fp47z1 ;d1r,l/zkpt ich of the following

  10.06: Which of the following stat/l5n v3esk;vgdxnji(4 f+( qqements is most closely associated with Newton’ jq/;(iqfgvn5+4sev 3l ( dnxks Third Law of Motion?

  95.06: The reaction force does not cancel the action force h3 (n awqx/ocko-x/b 6b+jgbfe4+u 7pbecause:

  14.14: A box rests on the floor yo :9y 54vrbbkmsvd47q 4er -aof an elevator. The elevator is accelerating upward. Which one of the followin7b9aro k s4 r:vvq 5my-bd4ey4g 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 downward through the air with constazg/z c: q6zoa nc-;el;nt speed. Which one of the following cz cec;o; a-zz6g :lnq/hoices 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 throwl o u1fdji;aihr. -9,vn by a pitcher with a speed of 35 m/s. The batterswings and hits the ballio hv,arij19d ;. -flu. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at rest on a table. On top of the bo4kkaz5h6nffev+ 6u i+ok 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 t+ uhv+fki an4z6 5ke6fable exerts on the book?

  05.06: The students in a Physics I class were in lab conductinj 5 k+lkpc5l l93wy7gv jkh4k1g an experiment related to Newton's Second Law. The collected data were displayed on the grakgp j15 +9j3l kylkckv4 7wh5lph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doubled 3qkc6tcf j3/a 6 xtqq(while at the same time the mass of the object was halved,then the accelerat 3q6qx (/3 tkjqc6tafcion of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from re6kzqe0qarfufg /2j+ 6st to a speed of 20 m/s in 10s. The magnitude of the net force accelkq0 qfaj 62 +z/6erfugerating the car is:

  99.05: A tractor-trailer truck is traveling dow eoq+lv7o 4evnnc65p4 n 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 thv4ne4 nc+eq76lvpoo 5e tractor is

  99.16: Which of the following principles bk*ygc *n dl7fwc:t+8iest explains why large tractor-trailer fid+ c**kc8ylwgn7t: trucks generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictiozs +p5qwr6:a5ermni*l d )f6w vrpc,/ fiw22gnless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement desw dgcw 6 ,l*im2 z)pf 5:vqn6pf2rrsewa 5r/+icribes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 10030tn zi zy2cndatg/56 newtons is accelyg25td tzaz cn 3i/n60erated 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 fo npx5jpo1d s.zrt 48n)dqm-c)rce of 2400 N. What is the speed of the p)d8 -5jsq4n cn1pz o ).xmrdtcar 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speeo : 6f lftgp1m t8gx;ipo5cs/1hk 1py;d 4.0 m/s slides across a rough horizonta8/s6 gmp : 1;t1gyp5o;pkhocfix1l tfl floor before 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/s slides 8.0 m across a rough horil+b,j0 jk:hj szontj +,:slhj j0kbal floor before coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surrh( (hf+o 9ugfface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction between the box and the surface is hu+ r9 ffh(og($\mu_k$ = 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 univkuw ;x/g,ea4v il4dyqt f--i t 0+x6mformly to rest on a horizontal surface. The block travels a distance of 12.0 mdi +-6/;mu4kt lvi,4- fwx0qatgxye v during the 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 patfz lh3 .pl/yyaruz., 6ch of ice at a speed v with its brakes locked. It then hits dry pavemezy l./ ph6yf.u3larz ,nt 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 ic31slqug vvh,df5/ -eqe at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetis5l,fv3h1/ vqu - edgqc 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 ax ++jq (vl) amley+ft; car makes an emergency stop by slamming on the car's brakes and skidding txvfy ; ()m+lq+jl ea+to a stop. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully con1dlo tipr v *pm((v,m0trol each of the following devices. Which of these devicestv i((0r,domp1mlp v * 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 ofzlh lwd o-w 4;o;ah4l, 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 Earth4-l,l4oo;zwhwad hl; at takeoff?

  07.21: A box slides to the right across a horizontal floor. A person called Ted 7 p tlkt*5bg+).48nuxpoh eufexerts 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. Gig.5)8lot4 n7h* f+epxu kubp tven 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 coasted +r xpyia 84ieio4m4z33uf:yr tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the sa zymd:rai3 e+u44xi 3iy8o p4fme 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 3xol05bupnx;/x3e sg roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over thee5x;gsbp /nl u033oxx 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 frict4 x9e,9omisruu zp fjv (+ 1x4igik9j0ionlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's accelerationiogsm+xki9,x up1juve49 r0 z(i9fj 4 at point

  02.40: A box with a mass of 50 kg is dragged across the floor byp5,zi . pc5cr ddsi:c5 a rope which makes an angle ocz.pd5rc idp:5sc 5i,f 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 shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed against a wall by a 100 Ntcfn,:x 60fd3b *k ksp2hgu 2-zfrdl9v w7 vf( force as shown. Thecoefficient of kinetic friction is 0.30 whkvzsf(3 62wch 9d2pnfxlt0 fr,ud *kb:g fv7-ile 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 q7/6 2qii e4xbdwyzh:a horizontal 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 following relations among the various force magnitudes, W, f, N, P i4beywzdqi :6 27 ixq/hs CORRECT?

  06.14: A book leans against a crate on a table. Neither is moving. W+q:np+ tet+n nj/xqt/pb w 39uhich of the following statements concerning this situation is Ct:+n 9 +t /ux/+pn3jtqewqnb pORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pulled fvtp76 * xd9g9*hhh:leqos j)up a hill with an increasj*vhh h :e9p7 lx 9q)sf*tdgo6ing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?