99.36: What happens to the inertia of an object when its vel7dsuop /;yol0ytv 6/zocity is doubled?

  02.14: An intrinsic property of matter is one that does not depp qihki dfiuda6 1,5ou1: 7g(cend on the quantity of matter present. Which of the folu7ac fi1:(g iik1o, 65d udqphlowing properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rnod(od z: 9st qt+ w-bm-19avxests on the surface of the Earth. Assume the Earth has mz- s 9d boa-mvtdotwn1 q(9:x+ass $5.98 \times 10^{24} \; kg$ 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 th elfcm6x9m bo,i,;9jde Earth. What is the magnitude of the gravitational force acting on the earth by the sphere? The Earth mass is ldmo9im6 ,e,j;9xf bc $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to imyybi18zh0 *j;gdsf3ux(a* b ncrease while its acceleration dec1 ;b 8z yi*ym(sg0a3jfxdubh* reases?

  00.11: A certain particle undergoes erratic motion. At every poi*s.hjf/l76eaw pw ( oqnt in its motion, the direction of the particle’s momeeah6.p/w(jso 7*wqlf ntum is ALWAYS

  17.14: A block is suspeiw,o 679zqwtp nded in the air at the end of a string held by a person. The person pulls on the string uniformly acceleratingq6 oz9 wtiwp,7 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 block?

  07.18: In which one of the following situations is the net force constantly 03 tmshuh ebb,4t1z :vzero o3muh:zbe ,4bhv 0tt1sn the object?

  13.28: An object is in free fall close to the )0q+d w.upu9ubai j3hground. A person intervenes and slwq9+ hbi.u0djuu3a )pows 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 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 50 Nmp5p7r26i u2ab ip6 qy, and F3 of 70 N, acting on it. The magnitude of the resultant ofF1 and Fpiy7maip 6urq 2 bp2652 is

  01.07: A force of 6 Newtons and , 95lhh9qtf/yh,zwopn/ f k;f a force of 10 newtons can be combine to form a resultant with a magnitude of which oo/ hfz9tfqk59,hw, n/ hpf;lyf the following

  10.06: Which of the folleuu- +e/wb b5o v*qat,owing statements is most closely associated with Newton’s Thewqua5/e *t-,b ou bv+ird Law of Motion?

  95.06: The reaction force does not cancelub l b*0iz4stf)0g j8*xj(iuf the action force because:

  14.14: A box rests on the floor of an elevator. The elevato*z+fnzcherln6;s 4a *jvi ;. vr is accelerating upward. Which one of the following choices best represents the Newton’s Third Ln;if4* zznva*el.v+ rs; h6jcaw pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downwarts.n4uc )9k c(,e nnigd 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 t n4eg,itn k(us)9.cnche skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. Thmm+e 0 rz,qtsmgg*(2b e batterswings and hits the ball. The magnitude of the force that the ball exerts on the bat is alway+m0 zgmqsm b2g,(r*et s

  11.13: A physics book sits at rest on a tabyx c x e-zl5mg9pq:2rzvz+s; ,le. On top of the book is a calculator, also at rest. Which one of the following choices is the Newton’s Third Law paiv 5;r9,- mxlpsyz zcgx2 zq:+er 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 ex1vctyw v4a .9.zoct/nm c,kp/periment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can,z4v v 19to/ytcm.wcn .c /kap the students make?

  99.03: If the net force on an obtxjz 2 uk 7ne(z l5 h19nq5zdyf.+0zebject were doubled while at the same time the mass of the object was halved,then the acceler b zne h12l9zq0.+kzfez( 7t5xju5ydnation of the object is

  96.15: A car whose mass is 1500h ) () i1h,ija.fnhbwx kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magni,i)hh.a1 nj(xb h)wfitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling dyqdkl8z.p s5wx w/9d8own the road. The mass of the trailer is 4 times the mass of the tractor. If the tractdlw .8w kqz/5xpy9s d8or accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles f4 (0uogcuaz /z5wk4bv1p k; zbest explains why large tractor-trailer truckzc aw0 bo4 uupzg1 fvk45;(zk/s generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram sk,zf8pplfc 8w: ater at rest on a frictionless rink throws a 2 kilogram ball, giving the ball a velocity ofw: 8cplf8 fp,z 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth wi14(c 6 we; oqlw2 c;(gkvizkclth a weight of 100 newtons is accelerated wgc q co1e4llw ;((kzk;v2i 6cat $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated from rest :g(a hi-m h37 ldgolcr l6,w7gcw6 jm-by a constant force of 24lgh3m 7dojgg mc-l6:w( ,iarw-7chl600 N. What is 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 rougz:82k0wnowo/gbip (u h horizontal 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 res :wpz gbok/ui8(w 20not?

  95.38: A block with inh sm:khiy.9s h5u*o(o; ppzo+itial velocity 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coeffupy*sh m(9+5oi;:hsh kz.p oo icient of friction is:

  09.21: A 20.0 kg box remar bj8kv9(+)xo 4lluf nt(o2bf ins at rest on a horizontal surface while a person pushes directly to the right ox98kv2+(uf )obj (nlo4fl tbrn the box with a force of 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 uniformly to restsc00 4xc x9+ jq;oslkf on a horizontal surface. The block travels a distance oflfk;x 90os x s4j+cqc0 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 across a patch of ice at a speed v with its bky; +sidfy)bzgz 5 s01aq+fv6rakes locked. It then hits dry pavement and skids to a stop in a distancedz+zd6kqfy 0gfa51iy+s v ;s)b . 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 wi/w nsd, x(q lye5/i;fsth its brakes locked. It then hits dry pavement and skids to a stop(iwx d5qe fy;,n/ss /l 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 n7skde-4 3lvn the car's brakes and skidding to a stop. How far would the car 4-s37en lv ndkhave skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of the followi*g/fd8xbx:ci bs, .wing devices. Which of these devices caxc,w8sb d: /i. *fxibgn 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 of 15000 e14tu: pezw e8newtons is 24000 newtons. About how much time is needed to increa8ee4 tz:uew1p 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 horizonwmrp/tt fiq*y /r+0w 5tal floor. A person called Ted exerts a force T to the right on the box. A person called Mario exerts a p/qiww0r+ y rmtf*t5/ 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 showss tt 9sui2jjq5t d749h three 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 tracks to the fit7 29tj4 dth5usiqj 9snish.
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 ye)1zz4uu aj a zlmj7h0:5w2lshows three 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 tracks to the fmzlyj)5zw e a7au2:l hz0u1j 4inish.
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 caroye/pel135 )jk-f qhfhf t4a 9trolls 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 acckj 9hfof)pl 15eaft q h/e-4y3eleration at point

  02.40: A box with a mass odictuh3(n y/ hty:36c *s: xcjf 50 kg is dragged 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 floor if a 250 newton force on t /(* :tcyhj:ut6 nc dscy3xi3hhe 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 agwwngz 1 s ;*0dw-ph:;r8pb mlwainst a wall by a 100 N force as shown. Thecoe* mhsn:glw1zw0 dwpr;- w; b8pfficient 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 patcpc yudhxxwk*)nta0u x(w5 c-:,q 2iv7h 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 magnitudxi w()vhaku ux7,c dqtny5 0xw:-c2p *es, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Ne9 1 zznekirky39a/ly:f+bo:e ither is moving. Which of the following statemzn ak/:b9yel139ey +k:z roif ents concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleivk(d mbcfc,/ q3ma e6:gh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increaea k: c6cdf,(v3/mmqbse in speedup the hill?