99.36: What happens to the inertia of an object when its velif1c(ivkr:y /* *dnm7 luk)a socity is doubled?

  02.14: An intrinsic property of matter is one that does not depend on the quanw+k:dkm f-a 8x:t 4mrgtity of matter present. Which of the following prow4:rkkg d- xta+8:mmfperties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. 84he,eal ot4e Assume the Earth has maa e8h4toee 4,lss $5.98 \times 10^{24} \; kg$ 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 sphew m3i1pg4fw(cre 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 mass is wigw f1cp3(m4 $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an obj9d tap4wltkzkf9 6+1qect’s velocity to increase while its accelerationtwk96tp+d lqk f91 4za decreases?

  00.11: A certain particle uuou/81puf fn-9 ncqbux (tc+9y)snv , ndergoes erratic motion. At every point in its motion, the directfnxt8vy,o9u+nn19-u su(/ f qup )cbcion of the particle’s momentum is ALWAYS

  17.14: A block is suspen ;0jbl51nrs-gcv1g1jc7 ,gd,mjfso eded 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 choices correctly identifies the Newton’s Third Law pair force to the5o;lsfd 1jcjgrbg- ,v0s c 71j1,ngme force of the string on the block?

  07.18: In which one of the following situations is the m czy4ys l9-7onet force constantly zero oosy -m9yzl4c7 n the object?

  13.28: An object is inje5s, hm/-8etv0;3 c+ak-kh nk hlf yp free fall close to the ground. A person intervenes 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 stoppeh kpfh5mn-+t/eyj;kc alkhv,83 -e 0sd 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 d.qnled7t 7ws q. j8)6fvhv 8r1pi2njequilibrium has three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, ap nw srd8)n7d8lh17 jetjvq qi2. v6.fcting on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons 1csh6 st6i 6 nhffpnnbn)2mj; t+t b:.can be combine to form a resultant wi1nn2h tts6fh66mt f.+ :j )ib np;sncbth a magnitude of which of the following

  10.06: Which of the following + pcv5/i2ox4wh q 4kwkstatements is most closely associated with Newton’s Third Law of Motiok w4+wh2ick5vqp x/4o n?

  95.06: The reaction force d 1u*)i(tpcq(cc(fx0oi)uf gr oes not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is acceleratin, be/ vd ug)idr5v t.nj/sr0n)g upward. Which one of the following choices best repres/vd r0/utise)n)grb,. vdj 5nents 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 aifdas8zfq f*9 7r 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 sfz s8f *q7df9akydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. -u 7z cvmnk2oevmgf/ x1u6swdry-- 7k-k5 oc: The batterswings and hits the ball. The magnitude ofso g1k-d6 /kcr-v-wfyoc:e 2vk-xumu n m77z5 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 book is a ca yptdw( 4c1ta,.s xix2lculator, also at rest. Which one of the following choices is the Newton’s Third Law pair force to the force that the table exersai 4dxyc2.ttw,(xp 1 ts on the book?

  05.06: The students in a Physics I class were in lab conducting a(u jat-a b:h3 ds)gkiofi3v34n experiment related to Newton's Second Law. The collected data were displayed on the graph at t :v tidso)-(ia33bfkjgh43 ua he right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doub 8e tardifp+q6 2w8;cbled while at the same time the mass of the object was hac;6+pq 2 b8ewftda8 rilved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from rest to .t8lyqfz oifiy92l m-;fp6w/ a speed of 20 m/s in 10s. The magnitude of the net force acc ;28i /ytm6fz.f9opil-y f lwqelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. uq m, 3dw:yu1q1 (m)qm vn:fezThe mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force,1qmnw:3 mdyum:qzuv)qe1( f that the trailer applies on the tractor is

  99.16: Which of the following principlj dfez+ld 1c7/es best explains why large tractor-trailer trucks generally accelerate much more slowly that automobiles?z/d djfcl+71e

  99.19: A 50 kilogram skater at r:*o z1f;vbbek 9a f*ttest on a frictionless rink throws a 2 kilogram ball, giving *b9ekzff1;v*t ota: b the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weighte+iciltr .- x//y m3mr of 100 newtons is accelera.l3xe- m+t / iy/cirmrted 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 bcb 4b u( tt5h-avg8t:d.dk,ify a constant force of vit ,tda8-gfkb4c.bd ut5(:h2400 N. What is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial se1 o e01ols-zyy2z rs1peed 4.0 m/s slides across a rough horizontal flz1zeysoyer slo1- 12 0oor 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 8x;0bl lfo qkq90a;0gg.0 m across a rough horizontal floor before coming to rest. Thqak ;0;g 0lb9 lqxg0ofe coefficient of friction is:

  09.21: A 20.0 kg box remains at rest8+qt mbm 7t5zr on a horizontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetz8qm 5rm 7bt+tic 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/elc/8mv cwfuq.7 w8e /s accelerates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the follo.e wc mfl8/wu v8ec/q7wing choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a pa)+qlf bvabx +*tch of ice at a speed v with its brakes locked. It then hits dry pa ql*vx+fba) b+vement 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 ice 7/ tr fhra7f6cv u3/uvat 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 ac7rftav37/f u/r 6uh vnd 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 the de/9:oufqo x7xbha21car's brakes and skidding to a stop. How far would the car have skidded if it had beend:1ho/ebauf 7x ox29q traveling twice as fast?

  99.39: The driver of an automobile mustp ;7sq*y5m qjm carefully control each of the following devices. Which of these devices can cause an acceleration in a movinpm7*q;js m5y qg 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 newtons is 24000 newto9knx/b yxg:- c7sgb8z03ml lx ns. About how much time is need7mzb/0cllng -8b:3 xy gkxs9xed 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 horizontal floor. A perso5w a6v7h+jnisw+q9yc nk ;3fhkoyw :)z( 1ovgn called Ted exerts a force T to the rika3 voz+wwgj;75isy w :96k v()q fo nynh+1chght 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 sizes of these three forces exerted on the box.

  02.27: The diagram below shows three roller coasterms585 ch(xy g-y xad0b tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictiosx8ycda55-bh(m 0 yx gnlessly 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 uhhl 4(o ivhvd60p9k8three 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 finish.pidv oh8(h6 k0vl9hu4
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 rollerhpr l90kb1 - kngfg k6,dj8osw(i-:a ncoaster cartrolls 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 accel-pr:gi9 kjd60s-,hknbw f(8ng 1k ao leration at point

  02.40: A box with a mass of 50 kg is dragged acro/yob i tvml 2 p52u3fk+kfmd7zy4z12iss 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 25yt kiz uf14ykdm/2 i27lpm+ 5vz23ofb0 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 pukq *i+ plmm;j5shed 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 friction amk+ lq5jim p*;cting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizo8nl vrl6n;he :ntal patch of grass with a constant speed by applying a forcln v8 hr6:nel;e 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 agaiqgv9c;gn,w1x c: u. alnst a crate on a table. Neither is moving. Which of the following statements concerning this situation is CORREC 9n,qu;xwgcvcl.1g: aT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pukc)q 2zka1d4smx ;z7 tlled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What t;kxa)cdm2 4kq z7z s1force is responsible for the crate’s increase in speedup the hill?