99.36: What happens to the inertia of an objecth/; eq :ugxkz+xj(.t+ja : ojx when its velocity is doubled?

  02.14: An intrinsic property of matter is one thatdt lsu9p 5l6.n does not depend on the quantity of matter present. Which of the following properties is NOT al5tuldp9 sn 6.n intrinsic property?

  04.16: A 20 kg boulder rests on .x5qfuspu.aq*9hl7 v the surface of the Earth. Assume the Earth has masu.fvsa* .lqx 7hqu9 5ps $5.98 \times 10^{24} \; kg$ 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 the Earth. Wh6 e1gsl(r +ew)wkl6ch at is the magnitude of the gravitw(selhc lg+w66re1 )kational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to incr5i49hpq*bf7. a, molyk,hmw yease while its acceleration decrofi5,wy balm7mh4 k.q yh* ,p9eases?

  00.11: A certain particle undergoes erratic motioor bvl/l/l/j26 s 7ami)v/cpen. At every point in its motion, t/ e v/2vmib6l/7l)r/ol psjache direction of the particle’s momentum is ALWAYS

  17.14: A block is suspeniy6cpmd em *11f+tp :oded 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 thc1pid1f*moye 6+: p mtis 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 net7*k gm4 urvs2t force constantly zero ok4g m*2srv7tu n the object?

  13.28: An object is in free fall close to the ground. A pers,mev;6lo 7:oht4,p xi2b dr ozon 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 stopped by the person? The magnitude of the objectz ; d6l,:o4t7 evr2h,o pixbom’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 N,iloa:/ykm7 . m5-thx t and F3 o/ly: mi5. t7h-xmko taf 70 N, acting on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can bo if2ho4 riea *r-p,(ve combine to form a resultant with a magnitude of which of the i -,i (oreva4ohr2f *pfollowing

  10.06: Which of the fv, xmb wwmbi 0;lhuh3 3*a10poollowing statements is most closely associated with Newton’s Third Law of Motion?10hm0lb* uav oiw3 x3bwm ;p,h

  95.06: The reaction force does not cancel the action force because3 (lwwe 4h3im, fqp;.le dcs(l:

  14.14: A box rests on td8f a/f6l12/ku dh jcfhe floor of an elevator. The elevator is accelerating upward. Which onudd2ch1lf8k /jaf6f / e of the following 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 falux;4izq r4;s/ h io70;uzdd jhls downward through the air with constant speed. Which one of the following choices correctly describes the Newton’szq iu 0;r7s4 jho/;ux;4hizdd Third Law pair force to the air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a t (g9kf.6 btywgml50d 7z4 vrfspeed of 35 m/s. The batterswings and hits the ball. The magnitude of the force t twl9zbt(v65gkd fmgy4.rf 70hat the ball exerts on the bat is always

  11.13: A physics book sivp z9j(t pe6 rq ;z5v)xkr3 pmgaz0+t9ts at rest on a table. On top of the book is a calculator, also at rest. Which one of the following choices is the Newton’s Third Law pair forcp;a3vtrzz9p+v6tpjm 0e xzk q 95)(gre to the force that the table exerts on the book?

  05.06: The students in a Physics I class were in q1 jj3bz ))d*pfbj2o k1qdon5 af5)cllab conducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, wkd2c3zla q bofj))fjq ndjbo51p )1*5 hat conclusions can the students make?

  99.03: If the net force on an object were doubled while at the same tim o( (ud,2a8*rpglhdime the mass of the object was halved,then t(d8o ,*r dh2ila(g pmuhe acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from ;yb r60u07z :t/8imyhjwhs ok rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerat6:;b/ sz8hk7ymhi0j 0 touyrwing the car is:

  99.05: A tractor-trailer truck is travelinqfvr2no i/kudya mj3 5veu,m11h6 x/ gj jl3)+g 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 trailer applies on the tractorh +j)/oq jvn13,5m1k3umg luad2vry6ej/xif is

  99.16: Which of the following pr ln29n jf7 z.db4j3zosinciples best explains why large tractor-trailer trucks generally jjo 4b72znf.lzs 39d naccelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws a 2 kilogram lklc 5/h21f *q jttoz-ball, giving the ball a velocity of 10.0 m/s. Which 1tf jlt qclo/k2hz* -5statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 100 newtonwk 4:b. 0iljlna 6j9fbs is accelerated atjkli.b w:l0 6jf4a 9nb $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated from rest by a constant +)z:gl.xlkb y force of 2400 N. What iszlg.lykbx :)+ 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 an+9u1o n8 4eywi)nkgy rough horizontal floor before coming to ryu1g+k8yn) onie9 4nw est. 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 hori / z dwbasg,k8b dp+rd)o*oc9;zontal floor before coming to resobb cpd/;sa9 dk+8)*r,dowz gt. The coefficient of friction is:

  09.21: A 20.0 kg box ry 6t8vsow( kt62kbh 5(xug-p hubbx 5)emains 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 frh55) 6xsxhbgktkb (p2 wu6 ouv 8-(tbyiction 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 uniformggaduue2tj-lm1m0-k dl 6 j2j2:nz n4efqj6+ ly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following chojkdnl26ml:-+m2tdjuz2e -6q 0 u1jgj fn 4gaeices 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 wh1 dgq r(rbg xntt *k,jt-.goor z/9:8xkbo-3 ith its brakes locked. It1g8xqzb k goh d r-bkjrto r.x-: /*o9t,(3gnt 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 .
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 its brae4m*owvrdjbfb r *(k4; 1osx r5fx n8/kes locked. It t(rfsrmoxore4b5jv ;/8 nxfb1*wk4 * d hen 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 .

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'sc,e3h -ot chm7m2hk.sp gy/ .e brakes and skidding to a stop. How far would the car have sg /hhsm3 he. t ck7m2.-yepco,kidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of the fo hotg1,1 cd:0z gy59xoqma f/illowing devices. Which of these devices can cause an acceleration in a moving car? :gy,tzcfqxd0mh 95oig1o 1a/
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a+0+ks3oo z ;unl o)zaz*1nf:if (pzwv weight of 15000 newtons is 24000 newtons. About how much time is needed to increase no+z1+ia3p)zof l:k z0;n vz(fs *owuthe rocket ’ speed from 12 m/s to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to th;hldd+uou6gan7l3d0tbw7 e r/c9 ;bg e right 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 accelecuda r+;3wgdb ;67ulongthdb097 l/erates to the right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal le5 tyh3km 9fkkphmq/ymx odi /z) -;,6angth. Assume that on ;ph6 o3ka xi9 mm/ ,hyzkdm-/k)5y fqtall tracks the roller coaster carts 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 coasti+op0+) yspas6 e/.mlk p-6qz4iujywer tracks of equal length. Assume that on all tracks the ryui6j +y.qlss zm/o -w p 0)64a+kppieoller coaster carts 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 reach the finish first?

  02.29: Assume the rol4k1hwjrr3b tc 64erukdte 1szfxm5e .7f7.3zlercoaster cartrolls frictionlessly along the curved track from point A to point C ks1e 4d z.cr ff4e31he7rwjx6k 5 tb7ur3.zmtunder the influence of gravity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor by a.oprqb og)v l.yt*y -: rope which makes an angle of 300 with the horizontal. Which of the following would be closest to the coefficient of kinetic frt r )yv.py-bogo.ql*:iction 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 pushe v9fx,r2 orix:d9 vq+dd against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of statidvr92dqr+ x,ofx9 :vic 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 mo1g5 scrzvn ;2gnu,b/bhm0+uzwer across 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 followinh zc/ 1;bnzgu m,r5g0bvus+2n g relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a-tsg/ egx0c/v crate on a table. Neither is moving. Which of the following stae//gcvt0 sg-x tements concerning this situation is CORRECT?

  06.15: A crate of toys remab3ijx2s*h*z xv v2)fkins at rest on a sleigh as the sleigh is pulled up a hill wik*fx32 xvv)j2h *z ibsth an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?