99.36: What happens to the inertia of an object when its velocide7gkoe0-djo86 n ge7ty is doubled?

  02.14: An intrinsic property of mt es*4ugy)7r satter is one that does not depend on the quantity of matter present. Which of the followi7u* ytes) s4rgng properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assbtp7 e4 z.c c-zoj4k/eume the Earth has massbce co pz4.t-4ek/z7 j $5.98 \times 10^{24} \; kg$ 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 falp(nqfejht2;v7 )w(hx0 y1ijs l near the surface of the Earth. What is the magnitude of the gravitational force acting on the earth by the sphere? The Earth mas)phhfvqn1e ijw2;0(tyj (7xss is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an on5i it(3mh*qr t;w4tibject’s velocity to increase while its acceleration decr;tn*m 4iw5hqi3 t(itreases?

  00.11: A certain particle undergoes erratic motion. At every point in its motioe00(1h zwf hcvr:tvp4 n, the directioc v0(4tzhw :h0vferp1n of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a string held by a person. e 1e5o2)ujirxatph8 3 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 ixa2p1)h8t e5iju oer3dentifies 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 fgk 0o o;-ikabt.9677.ze jlhla c i*kyorce constantly zero on the obje.kbtc -ly ghzka.97lj7o*ao6 ;k 0 iiect?

  13.28: An object is in fihrm l lh g15loh7a7ijf51f95ree 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 acceleratiom a957f7 oi fir5llh11gj5lh hn 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 force ew jf3 4wydxp8+fce-5l7rckoqsj+)8s, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant oe f sd73fwql++r w48ke8)5j -xj pyccofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to form mt )zl4ddw. b5a resultant with a magnitude of which of the 5dmtwb4d.)lzfollowing

  10.06: Which of the following stat)6k-af f+ c)lwnmu 51ez- jbuiements is most closely associated with Newton’s Third Lawa iufw56ju+ncmf)e zk1--)b l of Motion?

  95.06: The reaction force does not cancel the action forc:1 rfm5ut*w8 xohzo9+ l 5echde because:

  14.14: A box rests on the floor of an elevator. The elevator is ac/ieas/ sypa,l5gh;h )celerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on t;as ah )ghis/y/,l5ephe box by the Earth?

  15.15: A skydiver falls downward through the air with constan yrpff pkpe 9;,o9-fu5tn /ph-tqf,-zt speed. Which one of the following choices correctly desf pptpn95 - ;phu-k y9, fe/oztfr,f-qcribes 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. T( csglu*x w3gb:co -4lxo)*uhk -pt m8he batterswings and hits the ball. The magnitude of the force thap -o *- 43hbt*wmcou8x:xl ksug ()cglt the ball exerts on the bat is always

  11.13: A physics book sits at rest on a tablel:p 2cedt) a-j. On top of the book is a calculator, also at rest. Which one of2j)dt ale:p-c the following choices is the 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 ana5jb iczkse5 b*g4wg87 cak4 . experiment related to Newton's Second Law. The collecteca.5j*b8kz4 ca4 wg7 b5 skegid data were displayed on the graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doubled while at the same time the ma/ x;( ocidd9( kzidmy/ss of the object was halved,then the acce odd kziyi/d9/;(mc x(leration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from rest toaacy d 0q8ng.2 a speed of 20 m/s in 10s. The magnitude of the net foryd8gnqc 2.aa 0ce accelerating the car is:

  99.05: A tractor-trailer truck iseqn .3tcxj 1wi j ctxx/ch.t;*4 l0(wi traveling 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 tractor is *ijt 3;(c0./ .x4lncq1chwt t ewjixx

  99.16: Which of the following principles best explains why large smyo4;kl6a 1y5 6m3ylws9cks tractor-trailer trucks generally accelels5ylma63y4w1; kc6sk9yo s m rate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws a y, k4 x(u sxx65;mzapii u7un32 kilogram ball, giving the ball a velocity of 10.0 m/s. Whicizap 5suy7;4u(k 3 xxinxum,6 h statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 100 nkdinbc+;m(vi-5. l dsewtons is accelerated. l(icnmid5b-; + svkd 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 by a;33. yfjfj ro.,w3ibijcfd+w constant force of 2400 N. Whaw.3 ;f +w33f.rjy dijfijc b,ot is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial s5 k 4az;i4awwcpeed 4.0 m/s slides across a rough horizontal floor before coming to rest. The frictional force acting on the block is 3.0 N. How far does t5 cww4kiz ;aa4he block slide before coming to rest?

  95.38: A block with init2/k m- cqtfa5hial velocity 4.0 m/s slides 8.0 m across a rough horizontal floor before coming ttk-c5/ qh2a fmo rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at restu6.nl:udzl c b4-b7 pm on a horizontal surface while a person pushes dir:u- p. b6 ld4num7zclbectly to 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 u95a7ozs q1hl)lozu n*71ejsz niformly to rest on a horizontal surface. The block travels a distance of 12oq lzo19n*)ajhl sz 77eusz1 5.0 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 acg/2us -eo.iff/, iib tross a patch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic - tfgi2 /oi,/ub.sf iefriction 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 a10ncv8tnxmm3zfrs5wwwn8/a)jd z r1 u /8/m speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction brtnsu 81zn3c mrj8m1z8x/m/w /n d0 5a)fawwvetween 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(/n0twbkuh 3a 's brakes and skidding to a stop. How far would thewu b(/k t3a0hn car have skidded if it had been traveling twice as fast?

  99.39: The driver ofqj+emhg(x 9so58et8 f an automobile must carefully control each of the following deesq(8x 59e+f 8tmjhgovices. Which of these devices can 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 rocketnj. t/,u2 beh,o7v- (vwn jogo with a weight of 15000 newtons is 24000 newtons. Abnuoh2eo w,v g/.,7 ( tonvbjj-out 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 the right across a hoso a/wpy(8,a)x kuil; rizontal 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 wy() ux/aokpi8a,sl;these three forces exerted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal w),6r; b.dhnrej24 ( zcbohh8diyh- ylength. Assume that on all trackse.n b-)di;(cryh4ohyrh b 8,6 j2hzd w 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 b nvkakd2qcb9m 6+pyo2s*r /g-elow 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 over the tracks to the finish.*grb6k +n2sydo-v2pk q/9 cam
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 car+t li:tfi,,hhob 9)t dtrolls frictionlessly along the curved track from point A to point C )+,i o,t:i9tb dhthlf 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 8pba. .nd;cupe2 t+qe 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 the rope is required to move the crate at a constant speed of 20 m/s as shown in th8d .2e+up. qpb;tecane diagram?

  04.40: A 6.0 kg block initially at rest is pushed agains g(k; zg;n cb;aed+*7 ;vucmftt 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 acting onf;b; mcce;*gugz;a kvt7nd( + the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizontal patch o fnjp:g*o4i a(f grass with a constant speed b(o g4pjin :af*y 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 magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against kb5b c pfz6ojo030-rla crate on a table. Neither is moving. Which of the following statements concerning this loc0j-0pkr53bbo6 zf situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pulled upm/ v;nnj30((gmd f3-izmvyrg a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the g/ -zvnmm (y(ndm jgfiv;r033hill?