99.36: What happens to the inertia of an obj3zbfs7 xla6xcfe2+8 g ect when its velocity is doubled?

  02.14: An intrinsic pro57 blpdq.s 3t qnf 81e ;0jvi)ku2ninlperty of matter is one that does not depend on the quantity of matter present. Which of the following properties is NOT an intrinsic prlt8 i uq.skl;5nndqp)7j 312neib v0foperty?

  04.16: A 20 kg boulder rests on the surface of the Eau55bef.c 9 +5rxy ychtrth. Assume the Earth has maxy +c f5brt5cuyh9e .5ss $5.98 \times 10^{24} \; kg$ 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 fr3p xuuz3.pnu 5b 9m1pvee fall near the surface of the Earth. What is the magnitude of the gravitational force acting on the earth by t z35mu v1xb9p3u pu.nphe sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its a.e4itt0t s3g j9qs32gqm9 vv occeleration decreas vietqg.sg93o9mq4tv t s02j3 es?

  00.11: A certain particle undergoes erratic motioall4+ on;h39qb wd-edn. At every point in its motion, the direction of the pahw od-+e;3ldbq l4an9rticle’s momentum is ALWAYS

  17.14: A block is suspended in the air atek3uf611i( lkjysfh5hh q91 ,nz7dz a 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 Lawk 5,jsq71 1unya13ffz(hh li9 dehz6k 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 z08a/ttjed zye:sb,ja2 t2,igero o:g2/jt28t ,ayeij, dstb e0 azn the object?

  13.28: An object is in free fall close to the gromgpc5f ;;2zfmnahd.8und. 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 stopped by the person? The magnitude of the object’s ah pm.f;gn8cmz;2 5f adcceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces, F1 of 30 N3,dxvs x oe n:eea926x6( ra9m*at kyk, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultanr9k3tyaxoa:ae269e ,e*k xd vm 6x(snt ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to form a r9bq/f: :yojaqesultant with a magnitude ofj:y q o:fb9q/a which of the following

  10.06: Which of the f72w u fvw.t2 h1helsi)4c3yc lollowing statements is most closely associated with Newton’s Third Law 1cf lwv)us.lh72yt2cewh 3 i4of Motion?

  95.06: The reaction foag2 d l;t28otprce does not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is accelerating u j+ mp+4mwr-krpward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on the box by the -4mwjmp +r +krEarth?

  15.15: A skydiver falls downwae *zd5w,pm,i-rbm bc6mt+n 9 drd through the air with constant speed. Which one of the following choices correctly describm5pdbtenz*,,b 6+dmc- w i mr9es 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 pitcher with a speed of 35 m/s. Tj22*mdq lz (+qppm- 8*opkyewhe batterswings and hits the ball. The magnitude of the force that the ball exerts on the batj(e*p ym-q+po 2 kz*l8w2dpmq is always

  11.13: A physics book sits at resto/l ot ;ap;s1jjd u3+w on a table. On top of the book is a calculator, also at rest. Which one of the following choices 1;s up +j ;lwjo3dot/ais the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Pw i8 p-8hwncu3hysics I class were in lab conducting an experiment related to Newton's Second Law. The collected data were displayed on the grap wn8 c8w-h3iuph at the right. From this graph, what conclusions can the students make?

  99.03: If the net forcebl+rr + o6g xpfnh+xo7zt81:9zb t.uv on an object were doubled while at the same time the mas 8xg7vbut+x+o:b h9+rf n6. t1rzlopz s of the object was halved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from rest to axic;pque3c js3re* 7 a8js4m. speed ofq x3 ps4;jer378j * uimae.scc 20 m/s in 10s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. Thxq-:nocyae9 c-a v/ 4he mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the fo9q-v yc /ahe4nc-a:xorce that the trailer applies on the tractor is

  99.16: Which of the foll ih w0dfhxx0l+;2xf .doolq0+owing principles best explains why large tractor-trailer trucks generally accxwxo lidof0lxd q.2fh0+h;+0 elerate much more slowly that automobiles?

  99.19: A 50 kilogram 9ey s8 y3jbq wm6kn9d1skater at rest on a frictionless rink throws a 2 kilogram ball8 k dy9693n seqmybjw1, giving 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 weight of 100 newu2m(2b:iml*nuu o :wp,yfs )itons is accu)*bsu2 :uw(oil m fm2 :yi,npelerated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is acceleji1 y1mt +kg/4 2txiqhrated from rest by a constant force of 2400 N. W 1mq+ 1ki/jy2h4 xittghat 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 acb)lpw n3jpm c bd-y /2s7(5 0coq-fp2y.zetnjross a rough horizontal fp-0fql eb-(jp2oc3cdjb 5 yn . y)7sn mtz/w2ploor 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 velocihzo.i ca.-l5hf hxyn n0e19z wgh*jw ;,;ku4y ty 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coefficient of fr95jc-hg lh4k* naw nzzu;; hiweyy1fhx0..,o iction is:

  09.21: A 20.0 kg box remains at rewvf w47qjn*: gy6h1 z;hz,5alifiwt 1st on a horizontal surface while a person pushes directly h wh71f;zl: qgiwt6ji ,vy 5 a*wf14nzto the right on 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 rest on a hoh.q*et /).5eao dak u85qxehz rizontal surface. The block travels a distance of 12.0 m during the ux)d .a./azqh5eeetq *o8hk5slide. 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 ice9 si*,5*.steu1qn tby dg)pv,a qs6 gf at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The v1)g9yg,s fd,6n5ut.qebi * ss* apqtcoefficient 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 b3zc ,ea-y kxz+rakes locked. It then hits dry pavement and skids to a x c+zey-3,ak zstop 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 slos 8vqt6 tkb5 /3l*desv)8b 8p:m eluhamming on the car's brakes and skidding to a stop. How far would the car have skidded if it had been travel k88pstm58evv u b/:*q3el )6shtbolding twice as fast?

  99.39: The driver of an automahz,qd *6m2ap obile must carefully control each of the following devices. Which of these devices can cause an acceleration in a moving cam * 6,adpazqh2r?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a weight of 4h5ld7l+t ya5bxskms-3byb *15000 newtons is 24000 newtons. Abou lbd73ykt*bss4ab5 l5+-mh yxt how much time is needed 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 thuz42um6 ljxp/ 4fe t(oe 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 accelerates to the right, rank the sizes of these three forcesz lou24/6efmp xj4(u t exerted on the box.

  02.27: The diagram below shows 22- x hjcz.mr7ejtv7 gthree 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 trax2cg-t7mrj 2 zevh .j7cks 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 of equal length. Af -h9ap0xyl,p 0totz-ssume that on all tracks the roller coaster car0- lao ttxyhfpp 9z,-0ts 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 rollercoaster cartrolls fri) e)bri gcw0 *kr/eop3jr 1vp3ctionlessly along the curved track from point A to point C u)/3rw j r0bp gevk* r3eo1p)cinder 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 ,tzll v 6c;p)hnd s4o)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 rope is required to move the crate at a constant spn;4ptz)ovcl slh,6)d eed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed ag7i;7lql0 3*gdu9gl vb eh )mpaainst a wall by a 100 N force as shown. Thecoefficient of kinetic frictqa7 u)g 9*hbivme;73pgd lll 0ion 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 patch of80u z wfzy)wwy6:*4 pvybzr4n 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 t:b6) y yfruy 40pnzw wz*84zvwhe 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 against a cr+v,5 m9wzlffo3 pb ,state on a table. Neither is moving. Which of the following st,9b5zpwf + ,f3stlm voatements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is ek;e56sp i5nxw b,fd5 pulled up a hill with an iwx 6skdb; ,i5nfp5e5 encreasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?