99.36: What happens to the inertia of an objecte + d;xj3u*v ;md.+wc8i xricm when its velocity is doubled?

  02.14: An intrinsic property of matter is8 m wbpt m)f v6wszt0*h ,(l6kdnuj)7z one that does not depend on the quantity of matter present. Whwn) u8jt, msz6*0zf7t)kl b6(p mwvhdich of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder res*uik0b/zlzr13t 3xbqn16*qp+ tdjhz ts on the surface of the Earth. Assume the Earth has mhn0jz t1xq3*bz*r/+ p6zkidult q31bass $5.98 \times 10^{24} \; kg$ 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 sphejyzh32rt 8ohmnq.h ju2+x/ .ore 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? The Earth mo 2hjr2z..hhu+o/jy xq3tm n8ass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an objectn 6una) fa+*fl’s velocity to increase while its acceleration decreasen)afal 6n*f +us?

  00.11: A certain particle undergoes erratic motion. At every pointltv *tnv1fmsd(/-l 6j m t9-zy in its motion, the direction *lsm tjl6t- tmfdv1n -v(yz9/ of the particle’s momentum is ALWAYS

  17.14: A block is suspensz +n 2k ygg*a*ffv,y4ded 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 following cgf2+zga4 *yks*f,yvnhoices 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 forcm mc ly6/fh. doms:v84e constantly zero on the o4mmc:svhy. lf6o /8mdbject?

  13.28: An object is in free fall close to the ground. A person inkdbspiuzvp/) , 3wr6.tervenes 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 3wk rvs6, /pbu idzp).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 dgyo3/1 6rqrcv.u9lw , F2 of 50 N, and F3 of 70 N, acting on it. The magnitu v9o1 rlryg c/dqw.63ude 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 - o8mx fshms ktj78:4m,jf9inxyj, p9 a resu: fyxfpmjmh9t , 489oxj,-jms n8sk7 iltant with a magnitude of which of the following

  10.06: Which of the following stateo gleijv pp*-iqw66*h*fy9- xments is most closely associated with Newton’s Third Law of Motion?hlf *9*y o-*6gpjwq iv6pei-x

  95.06: The reaction force does not5 *5 ldkwn9dex cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is accelera/upiv itac /(97 vrxpc 3hlo()ting upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on the box by thulipcivt7crho(x p /v3/9 a )(e Earth?

  15.15: A skydiver fallz jp;rme s2:1 01 mij bc0c9vqpxg,9ufs downward through the air with constant speed. Which one of the following choice brusgcx :z9m11mf9jppq ;iv0c,je02 s 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 piat- i+jwkmo sj ;4;xkc n38gt2tcher with a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on the bat is -ijm8 +nsxktc;k;o3 2a gj4twalways

  11.13: A physics book sits at rest on a table. On tog 8)p; xcqp+ebd n91zop of the book is a calculator, also at rest. Which one of the following choices is thpob1d9+cz8np eg q)x; e 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 and *u 7u:eixg0b experiment related to Newton's Secd0b*x e 7uiu:gond 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 foe z;zan0mg8 *urce on an object were doubled while at the same time the mass of the object was halvaeu n*m8zgz; 0ed,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from rest tw;ka(hc.vr92s* sb dn 7+iyuuo a speed of 20 m/s in 10s. The magnitude of theku. ira byvws; *2nh ud9c(s+7 net force accelerating the car is:

  99.05: A tractor-trailer truck is trr /et82z pe0npaveling down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor acc2z/tre8 npe 0pelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following prinok ua,e80u p)nciples best explains why large tractor-trailer trucks generally acc 8a0) noukpeu,elerate much more slowly that automobiles?

  99.19: A 50 kilogram skater a flnhh1v uy-,*ovp3qa;2zg9u rmu7p 3t rest on a frictionless rink throws a 2 kilogram ballzh3 mua3vp-;g7q 1*vnlf 9p o,y uhru2, giving the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surfacqjug,7c i 0aawr7l. aqr4y:5oe of the earth with a weight of 100 newtons is accelerat,a 0iuar47g.5lo7 qcyjrq:w a ed at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated fr7,gbb fk( lx2 g)aw;vdom rest by a constant force of 2400 N. What is the speed of the car 8.0 s after begi, f; wl72 g(kxvgba)dbnning?

  98.32: A 3.0-kg block with initial speedxm;zq(dr (a8j 4.0 m/s slides across a rough horizontal floor before coming to rest. The frictional force acting on the block is 3.0 (rzdamqj x;( 8N. 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 acrp, zoa/pu8rc;vlas nq*))c4 ioss a rough horizon )8;/q , onaup*czi r4cv)aslptal floor before coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box rek9xft ;8ntt e)m37dka mains 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 friction between the box and the9 ;atet) 83xmk7tdfkn 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 uniforagu-9 n4e/voi+;mtfcmly to rest on a horizontal surface.tea9i+c vu-4/f;ognm 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 between the surface and the block?

  00.21: A car of mass m slides ackuu3-9 fh +mcnhb f.,qross 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 kineticmb+.,3 c-fnf qk9uuhh 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 patcvpagawpfz40, j6 dd,4h 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 μ . d,4w zp4ga6pavd ,f0j

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 br3l.f m alf6ok-akes and skidding to a stop. How far would the car have skidded if it had beenf ll6-mok.fa 3 traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of t5.hp 7r3xxt.h)55wima zcnwwhe following devices. Which of theseiwpa5 h3.5 xwhx)wn5.rct 7mz 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 w)o2 llscjdafl, z /se-4irq*+ith a weight of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ spee-rl+oel) zdsi2 ac j/* 4sqf,ld from 12 m/s to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the righr:,bgj t 7gm+0znmh1 n2.vtqu0u o-kk t across a horizontal 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 sizh20. t b7u-+q1g nn,ozkmmgtu0:rvj kes of these three forces exerted on the box.

  02.27: The diagram below shows tn2vm zylufw68(:x od 9hree 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 the tracksfmwxod y26 nz(8v9u:l 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 9 sug+iseo bbr-w4k-c do5 6+qof equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and mo-ucb6gd+b4+-oi5 ok swe9srqves 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 cartrop d;;hl oqv*yksnxv,z ;dj;10lls 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 accelepj;h; ,olv k*q0 ny;x;sd1zvdration at point

  02.40: A box with a mass of 50 kg is draggl frz; ifi;d-z0y)/; .ilupt oed 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 tp0) o dllf/iryfz;ii-;u.;z 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 p3ca*5sib w tu3ushed against 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 frictionba*wt3u53 ics acting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizontal patc7af f.m8af;a*y be( mvh of grass with a cof;mfaybea(va8 7 fm.* nstant 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 is CORRECT?

  06.14: A book leans y2ne. woxs7 m(against a crate on a table. Neither is moving. Which of the follx w2m.(ysn7e oowing statements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sl ua:.t q6(4ps1xcmma jeigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force4cu 1.pj:qatm6a (sxm is responsible for the crate’s increase in speedup the hill?