99.36: What happens to the inertia of an object wh-x.mxqfn:cy,. +s j azen its velocity is doubled?

  02.14: An intrinsic proper .edn 1z8-honwa2rhw 0x en5 7lt7ep+rty of matter is one that does not depend on the quantity of matter prese elhte ez2h-5prxnw 7n78.1a+o 0wdnrnt. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Ear d a:;r fnh+(l;nxu3dyth. Assume the Earth has mass (+rn:fdhl;x ; nyu a3d$5.98 \times 10^{24} \; kg$ 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 f;jju)qvsv:op5 i8 3 din free fall near the surface of the Earth. What is the magnitude of the 5fovq ju): 3 pdsv8;ijgravitational 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 obj scyx9ddcxr. c)u12 +wect’s velocity to increase while its acceleration decreases)2xwd+ cu9xsd. cr yc1?

  00.11: A certain particle undergoes erraticb rqimpo526-ppv7 r/wkh + 0zs motion. At every point in its motion, the direction of the particle’s momentusm/p k-7oqwpr0 i h62z+v5pbrm is ALWAYS

  17.14: A block is suspended in the air at the end of a string held by a person. -0avv3--kv(skho wi gThe person pulls on the string uniformly accelerating the block upward for a short time. During this time, which one of the following choices correctly idehow0a-v (- ksvg-k3vi ntifies 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 iszgmxf36yzy vh(cj-2 0 the net force constantly zero on the object3j( h0zm-fxy 6gc2yzv?

  13.28: An object is in free fall close to the ground. A person intteoh ;.h,hl9eervenes and slows the object uniformly to rest. Which one of the following statements must be true abo hl9e ;.eo,hhtut 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, ekgedj:m6 +.t F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant ofF1 and F2 is+m6 :ejg edk.t

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to fod1lut97z 7bo irm a resultant with a magnitude of whicu1797tdiobl z h of the following

  10.06: Which of the /ife g6nj6)a mfollowing statements is most closely associated with Newton’s Third Law of Moti)jnai/ e6gm 6fon?

  95.06: The reaction force does not cancel the action force becaayzmgb .-h v)+use:

  14.14: A box rests on the floor of an elevator. The elevator is accelww i l9y r9+,at/,pntaerating upward. Which one of the following choices best represents the New+ril /a 9,an w9ttpwy,ton’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 constant 55 rbeynf,(h 7ht)u mespeed. Which one of the following choices correctly describes the Newton m,eht)e5( 7yb5rfhu n’s Third Law pair force to the air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pit7 fwf-i:s1 erfcher 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 :we-fs7fifr1 always

  11.13: A physics book sits at rebmhfthr5g5no : orse9* ,q.z 0st on a table. On top of the book is a calculator, also at rest. Which one of the following choices is o5:tfr,nqrh 5*b .m0zhsg9eothe 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 an eq-; wk3ybsdqp3/ghl t6*zr1 zxperiment related to Newton's Second Law. The collected data were displayed on the graph at the right.*bqw3z3q-;gld6pk rs zhyt /1 From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doubled while at the same 7zp dq5,pn.(y hr/pbttime the mass of the objqhbtyz .ndr 5p(pp/7,ect was halved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is acc3v;qs uej(,u zelerated uniformly from rest to a speed of 20 m/s (esuujz;v3,q in 10s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailervy 0;j9cu.k zj+bz4e(lm )hqc truck is traveling down the road. The mass of the trail 0(uzme;hybk9jc.4zcq+)jv l er is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why l1 5klvvsiwc)6ltoqk4)b8f- darge tractor-trailer trucks generally accelerate much more slowly that automobilel-vf)vo) b4q l8skkw ic1 d5t6s?

  99.19: A 50 kilogram skater at rest on a frictioj,j8e vjb3hg qsh*via c,(4-mnless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. W(vhi vb jg3qjaj*-, ce8m,hs4hich statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weight0)lj ak :mp,fd of 100 newtons is accelerated a p)mkf dj,:l0at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accele t,msn (93kl+r or r xpk8:wtl(l2bj;brated from rest by a constant force of 2400 N. What is the sorlpbktj: + 3rxbk ,(lrw;2mnt(l8s 9 peed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 -t 6x13 8th*qjvpi ,uk))ghlo9lzkobm/s slides across a rough horizontal floor before coming to rest. The frictional force acting on the blo h8zu klo9qh gp-vit),*ktjbx163 lo)ck 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 acpd6(wymihwmz:r *o3 +isj3(p 9/ gkreross a rough horizontal floor before coming to rest. The coefficient of fricm3g:hm/9*6 i rwridjs yp3((wkz e+option is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a person pusau (,c0tkyu vix(5;4 csrcnc+1wf-hdhes directly to the right on thk hci+(5(trc0sx;1uc-4y,f acu wdn v e 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 aanth( .*pc977z8 igbt ymyv/tt 8 m/s accelerates uniformly to rest on a horizontal surface. The block z8 /g.nt9ta7y*7 mvptb i(hyctravels 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 across a patccqykid j021fzd/e,* ih of ice at a speed v with its brakes locked. I c, e1 qdzki2/yifj*d0t 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 ibr7fl gwyv1d-;msg y5cae/v(3t 9e:qce at a speed v with its brakes locked. It then hits dry pav g w/9ge m5:ql7srvavb3-(et ;1ycfd yement 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 slammingt4(p -;,ag5u km51 e;xl imx9pmlvmmr on the car's brakes and skidding to a stop. How far would the car have skidded ifmi 4l,emvkar5xptx1pugm;-m m9 ( l5; it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of r 381gcii)duob,2zso gyu(2 kthe following devices. Which of these devices can c)z2,ksg8i1i (ybo cuo3r dgu2ause 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 r 3u, fw; ,)ui bh*6h3sekzpiarocket with a weight of 15000 newtons is 24000 newtons. About how much time is neez) f har;,ihiksu* wb36p3,u eded 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 horic48ir.bs tn g)3gfm-q 9o v1pfzontal 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 3f4srmib q.8v 9p -n)g1ot fcgf 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 rollummoa j6g2 rc8 f7*+ifer coaster tracks of equal length. Assume that on all tracks the roller mu*f 7a8fic o+mj6rg2coaster 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 bel uo q;:) rxl 15:dyr;f6ystmpfow shows 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 oru ;r:;o m y5pqtyd s)6:lfxf1ver 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 cartrolls frictionlessl8 xtp8 b4z,las bbu2+vy along the curved track from 4+t82xlbzasv8,b bpu point A to point C under the influence of gravity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of ge vyp :47ti bze q53rr,-m)f9sl- lkq50 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 the gyv,e9bli s-lq3 tk)5-74zp re r:fqm 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 N foji 22foefq.) zrce as shown. Thecoefficient of kinetic frictionf f)i jzqo2e.2 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 act ge(xlwx/;;p ross 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 forpl;w/x( get; xce magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crat).llcz6ugep 6y5 nu pb9 of*c9e on a table. Neither is moving. Which of the following statements concerning this situatbp9 ug l)c 5 efc96yo.unlp6z*ion is CORRECT?

  06.15: A crate of toys remains at rest on a ai: sr+y/3 gt0ui t.ua,oz yv/sleigh as the sleigh 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 in :u3t/ysr/ut,z.avoi0ya gi+crease in speedup the hill?