99.36: What happens to the inertia of an objecbmp. l7e z:y7yr g0;qtt when its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not deps .-,/ gcx*j8nc: ajwbokoq d*end on the quantity of matter present. Whicn*do.8*q k,sj/go xc :jc- bawh of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the suxxt+ wl1 5kfsk). mkd;rface of the Earth. Assume the Earth has m k+ l.x1w)tm fd;xks5kass $5.98 \times 10^{24} \; kg$ 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 falltg o3(oe7wdg;fxt y-l4 5ik y: near the surface of the Earth. What is the magnitude of the gravitational force acting on the eag-:wte oy4 gdi3 fox tl5k(;y7rth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increh6km hh:,2pb xase while its acceleration decremk,:hx h p2bh6ases?

  00.11: A certain particle undergoes 4 :f5c 8ktzh,rcey.r5(ft j roerratic motion. At every point in its motion, the direction of the particle’s momentum is oh.rc5,kecr:ytt fzj 54 8fr (ALWAYS

  17.14: A block is suspended in the ahi4e1g anuk7 7dsc7e .ir 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 this time, which one of the following choices correctly identifies the Newton’s Third Law pair force to the force of 7ekd.hase1g7ci nu7 4the string on the block?

  07.18: In which one of the following sit2 vt-pn4p(+y2 vovp ukas3g 4tuations is the net force constantly zero on thgv( -nskot4p +vvu p3y24p2t ae object?

  13.28: An object is in free fall close to the grv56 mlp4 a6g1. otwxsi4c1zw 71bcaenound. 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 ni151.bmx cwpz4s eatcolav4 6gw17 6being 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 for49b w mqu 4s,blyb9 d8tu+iad6ces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, actinus a 6 wdbm89l9ubd44 yq+ibt,g on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 7ppn.-9 lst/o.ix a ldly9vs)Newtons and a force of 10 newtons can be combine to form a resultant with a magnitude ofip xv.-nt )l/9sd osl79lp. ay which of the following

  10.06: Which of the following statements is moc) lvi/.qf dc)16y idjst closely associated with Newton’s Th6il.fc)q)/j1 cd yi dvird Law of Motion?

  95.06: The reaction force does not cancel the acwl, co/ i uesf-c038p;tva(a)bcf2mu ) lr.gwtion force because:

  14.14: A box rests on the floor of an elevator. The elevator is acceh.ekyn* k/y u4-bhw. jlerating upward. Which one of the following choih4 b.*kuhkjw /y.- enyces best represents 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 tc b0x- i2if)78mrou(y* cwrcthe air with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to t8wtruccfm ox2(i) -ybc7 i0r *he air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown/q lvaro. kq;2 by a pitcher with a speed of 35 m/s. The batterswings and hits the ball. The vq o.k2aqr/l ;magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at rest on a table. On top of the book ic( 2:jib nmt*as a calculator, also at mj *t:(icban2 rest. Which one of 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 bx +vepirwb 8;:, afh5lyxn,cvo5 y33 in lab conducting an experiment related to Newton's 3o xe; i5x 5br, vwly+nahcb3f8p:vy ,Second Law. The collected 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 doubletn(9n+uh3hsxxv +eb+ p5rn5(npq x5ld while at the same time the mass of the object r 39 n+nn+ pse5bh(nt5vlqh(x5p+x uxwas halved,then the acceleration of the object is

  96.15: A car whose mass is 153jf,t,r * rrsr00 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of trr,*rf3 ,jsrthe net force accelerating the car is:

  99.05: A tractor-trailer truck is trazm ;0jxw7eq i(veling 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 is0wxj7qie;zm (

  99.16: Which of the following principles b7kbg w+8( 6dzbdzw+pwaxyjt 07uj(:zest explains why large tractor-trailer trucks generally accelerate much more slowly 8 au+7wjzpb:wbg7wtk6d y(dzjz 0+(xthat automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws a 2 kilogram dqz7; a:pi(k b3suff3ball, giving the ball a velocity of 10.0 m/s. Which statement describes the subseque7u qsbff(p:3kd3 ;aiznt motion?

  00.13: An object near the surface of thk;/bt 0y(6w- m:ma0kc v osw1hyv v7eae earth with a weight of 100 newtons is accelerated a: 1b0ks/m vck076a t ovyhwm(a;wv-yet $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 3ahkx-x;a1.k0ix 44 sg)ld eysekr.n1200 kg is accelerated from rest by a constant force of 2400 N. What is the speed44xrk-hsleykx.1x .; aa0 )3eg iknsd of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.022g0k9g8n 3vi 1j5: sy3idfhhsymhusq( ;o j j m/s slides across a rough horizontal floor before coming to rest. The frictional fh;2i(n sy 2ho:sju si9vqy8d5fk1g3 gh03jj morce acting on the block is 3.0 N. How far does the block slide before coming to rest?

  95.38: A block with initial velocityqu28 a0ihgpq p*sfui3--q4 6ujmy6 qe 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coe*y6q 2-iihu3pe muqsqu0j-f84 aqg 6pfficient of friction is:

  09.21: A 20.0 kg box remains at res hs yuf9a:9:ss53a mwht on a horizontal surface while a person pushes directly to the right on the box with a force of 63fs5ahsm99: ya :w uhs0N. 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 rest4(v+:a/ kn 6wlxc san gbb47 zbpv+ez8 on a horizontal surface. The block travels 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 andnn/+(aa zpb4ezcbbs8 47wl+6:g xvvk the block?

  00.21: A car of mass m slides across a patch oc) u1-+ u8c vytiywzd* 7roz4ff 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 friction between the tires and the dry road is *t1dy8 wr7c i y+fc-)uuzzvo4 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 atmar .0;9e a u.xey+sr0syw*bg a speed v with its brakes locked. It then hits dry pavement and skids to a stop seaayrumwb9x+y 0..;eg0r s* 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 emerg 8m-vg;hzxn y+m+jgl+h2l4jmency stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it h+m;x 2+ l4yjh vl8ggm+n -mzjhad been traveling twice as fast?

  99.39: The driver of an automobile mus1c 6nl5vz1eyuscmh4 4t carefully control each of the following devices. Whi5lmz cyech4 u1snv614ch 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 rocket73a ty-d92aj l fsqnj2 with a weight of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36n3a-7sjq y tj2 2lafd9 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right acr:/nkm eti5vko*7j 1cdbj a(v6oss 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 j17avm ko bkn(v:/*j56edcithalf 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 of equal li kody5 6-9svrivvy y9.l/1vpength. Assume that on all tracks the roller coaster carts start frv ryv y9.y/d lv1-sv9ii6opk5 om 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 coaster tracks of equal leng 9hx-mg g0kgl7m6r 7ope3 wg1zth. Assume that on all tracks the roller coaster carts r z9w ggehlg-kmog7 3m1x6p70start 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 frictionlejl 4nb: 3:f)fog/gly qssly along the curved track from point A to point C under the influence of gravity. What would be the directionnyb::/lo4f3gljf )qg of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor by a rope whic2 lvkybt /xp/7h makes an angle of 300 with the horizontal. pl2ktb/7x / yvWhich 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 the diagram?

  04.40: A 6.0 kg block initially at rest h(a3z bgixg7 x*j-.ee(wv*kv is pushed against 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 i*egawzh v i*g (ek7 j-xx3(.vbs true of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a h0lc lky 4vzf74orizontal 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 force magnitudes, W, k 704l4zlcv yff, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is moving. Which of themou+ps2 r2 xcs/-q4h b0md+ kj following statements concerning this situation is CORRECpbs+0-oxr kmq2u mch2 j/+sd4T?

  06.15: A crate of toys remains at rest on a sleigh kr 8/:g()dtw d8q/q ed pwg;ozas the sleigh is pulled up a hill wit(:/gz rqdtw/ g)o8wkedq 8pd;h 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?