99.36: What happens to the inertia of an object when its3 z:c5f tias8gcs azuk me86(h3vt;q 3 velocity is doubled?

  02.14: An intrinsic property owuvn7oa g2iqr- +c m//s0chcb d24rl+ f matter is one that does not depend on the quantity of matter present. Which of the following properties is NOT an i2wbs crqnc+uv /2mar c4/o7h +l-dg0i ntrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume the Earth e4 dky-7tihrr:)07; fex o j8m 1pkmvmhas mass r7t f41em8moje 07d h-i ) mkrxyk;vp: $5.98 \times 10^{24} \; kg$ 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. What b nch a3,3+-i8 xszdtois the magnitude of the gravitational force acting on the earth by the sphere? Th3-x o, c 3t+dnih8azsbe Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for l0i p6qr1+;tn 4 cejpzan object’s velocity to increase while its acceleration decp+e r1qcjipn64 ;z0tlreases?

  00.11: A certain particle undergoes erratic motion. At every point in its motiz +co(bf(z)9och mlf1 )nvs0son, the direction of the particle’s momentum(0 9f zfns volm+sc)b1oc(z )h is ALWAYS

  17.14: A block is suspended in the air at theh/ gao8pzf1s. end of a string held by a person. The person pulls on the string uniformly accelerating the block upwfhzsag.8 /1po ard for a short time. During this 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,sad973 zvycgjajx n;d 8, z6+lo )5w:ocfi jq is the net force constantly zero on the objead)vdj,f9yio5oz: z ,ja6x7jng 3ccl; q +sw 8ct?

  13.28: An object is in -4s 1mrs2ut4w*zvi j*6tr rrlfree fall close to the ground. A person intervenes and slows the object uniformly to rest. Which one of the following statrzrit-rvs2rsul*m44w* tj1 6ements 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 acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium ha wyam,4n,yeln2 yza,/s three forces, F1 of 30 N, F2 of 50 N, and F3 ofnl,,awy4e z/, 2y anym 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 be combine to *.x h1ve(+:rzmxhtv r form a resultant with a magnitude of whi tmvrh hvrx:(x.*+z e1ch of the following

  10.06: Which of the following statements is most closely associated with :e:smarjl 00h Newton’s Third Lawj:rla0e h:0sm of Motion?

  95.06: The reaction force does not cancel the ace d +,srt2aq(qtion force because:

  14.14: A box rests on t)rmzste 7xz/4he floor of an elevator. The elevator is accelerating upward. Which one of the following choices best ree ztxz47)/msrpresents 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 fa/rui. 6e8x/b2w/ o p t.i 2yhpe2cjeair 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 skydiver duringipjefeo6wbi .t./e2r/ 2cxp/8hyau2 the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. The bat3 2v yuxifg0fcn3w /q2terswings and hits the ball. The magnitude of the force that the ball exerts on the bat is alwaysfq20v u ycx3i 2g3n/fw

  11.13: A physics book sits at rest ok02qwa9p6o jbu.d, jk:(mlx un a table. On top of the book is a calculator, also at rest. Which one of the follomlkax0dj( :ouq9bj6 p ,wu.2kwing 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 weru6a zs,:niy eni99f q(b*4wdme in lab conducting an experiment related to Newton's Second Law. The collected data were displ 9f:q ,nbeid zsiu49*(a6wnmyayed on the graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force oj/c 5+37 hbryoirb p +oy77hodn an object were doubled while at the same time the mass of the object was halved,then the accelerationj ibhrr3 77+7oh/dyc y5pb+oo of the object is

  96.15: A car whose mae7u,,rq+ ae3 nr5bxjg2juq *j ss is 1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 1qjrj,,r aenj37*ug 25 qxbue+ 0s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is travelin:jdz yf8mp o6+g down the road. The mass of the trailer is 4 times the mass of thfzy p6+m d:j8oe 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 wtpx8g. y15mzeul :4i phy large tractor-trailer trucks generally accelerate much more slowly that aeplu:mpxy15.8t gzi4utomobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throw5 : 3-g,heeib;od suwws a 2 kilogram ball, giving the ball a velocityb;wd3hsg u:e,weo i-5 of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a wvbq/ w 7smn)/eqc 579s,byuzfkeasil;;nx16eight of 100 newtons is accelerat; ib nl n6/b;sz 5)qvc17ksyw,7uemq9af/xes ed at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 bd j4j8oayz 1dd oocefjw(8,o6;w) )pkg is accelerated from rest by a constant force of 2400 N. What is the speed of yocoj4pw()8 )a; dj,ooze86 wjbddf1 the car 8.0 s after beginning?

  98.32: A 3.0-kg block wiyb,)snk ue/: oth initial speed 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,onbeyk) s/u: far does the block slide before coming to rest?

  95.38: A block with initial velocity 4.w- y.asjt( (ul0 m/s slides 8.0 m across a rough horizontal floor befo.( (w-jy sultare coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a hori7h:si-5 bs q gd6e,2b vgsxpl)zontal surface while a person pushes directly to the right on the boxqxbiss :5g ev d7) hsl-6b,2pg 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 unij fro1i.q/ 7 g3fxbrmt m,d55hsf::tpformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one o j::gtmsb,rt.135q ifx f 57mf/h pdorf the following choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides ac +karjt8gc81gdved4.ross a patch of ice at a speed v with its brakes locjvdg48dgatc+1k r.8 e ked. It 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 slidesddp1da6h(rku0rx 3 3i across a patch of ice at a speed v with its brakes locked. It t 30dpird ku36dhr1 (xahen 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 th vh-ga bxpr3hlir):1 9e car's brakes and skidding to a stop. How far would the car have skidded if it had been traveling brag) :91rpl3vhix-htwice as fast?

  99.39: The driver of an automobile must carefully control each of the followiez7j3mx f7m05i 7uskhng devices. Which of these devices can cause an ac37m f7shz7u e5k ji0xmceleration in a moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a wck/2 aherkr l 7d3sobxfu3l72wv85ef ,9soz( eight of 15000 newtons is 24000 newtons. About how9cf722e5l a s/boedkusx3fr7rwl ho(zk38 v, 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 horizontal floor. A persmmrrsec,5 y*7/100 yefiev ona /3fxlon 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 ha yenfxaofs/0 ,r0e1* 3yim/lem5v7 crlf 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 coaster tracks of2n) ye9u)no q.ldinq8 equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly ovei2 eq ln)unyn9q8)od.r 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 coaster tracks of eqtk31m +q ng+uss+s f+le4qy ,eual length. Assume that on all fq e+sn+s lq4es+um1g,t+y 3ktracks 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 reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictionlessly along the cm/glov8gs6 d(self6fo l68 )sqca.(m urved track from point A to point C under the influence of grav(gca)ol /.vs86f6slsfog 6qmd m8e( lity. 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 o-7,) ,iol:e-ylb ri4rwhn v irope 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 y7i b4-,) , :vwro-rllhneio inewton 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 pushed againstv7-dz b(-s)leu9ml qqmt7(n e 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 on the block after a time of 1 secosdnt(7qu( 9m q-e)ve-m lzb7 lnd?

  05.10: A homeowner pushes a lawn moxrw*m+dn- q f)wer 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 no*d+xnf mrw-q)t 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 a crate on a table. Neither a0 a7lf 2fj(sw 8cbbhl91/vidis moving. Which of the following statements concerning this situation is CORRll d72ja b/9b( 8w1ic0vfasf hECT?

  06.15: A crate of toys remains at rest on a sleigh as the s mwkheg307mhn 3edg *+leigh is pulled up a hill with an increasing speed. The crate is not fasteme ewh0kmgngh +*d3 37ned down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?