99.36: What happens to the inertia of an object when its velocity is doublwyr 3y w4pfa3w*+byrs2ma,0) r sfwd 6ed?

  02.14: An intrinsic property of matter isw nl.6qdp79 yc one that does not depend on the quantity of matter present. Which of the following propert npw76qdy9 lc.ies is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface -t9xfd+fj+e;/ct 7unsz2ev oo k t25 gof the Earth. Assume the Earth has mass-+tns+ toc f/f2v oud9etzx ek2j;g5 7 $5.98 \times 10^{24} \; kg$ 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 spher2qca*0ypqzmfc zc ,n:ki,(m cue(j4 5e is in free fall near the surface of the Earth. What is the magnitude of the gravit ca2(m,cz qe(n * f5c,p0z 4cijuk:myqational 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 object’s velocity to increase whi9e7 fohx- qw1r)dsjr s1h:8eu+f8cy gle its acceleration decreasr hro 7c11dqj 8eu: hyx+sse-ff) 89wges?

  00.11: A certain particle undergoes erratic motion. At every point in isprcmjz9 gw8g2a+y * z9nt0dl)f +gt1ts motion, the direction of the particle’s momentum is ALWAgrt29za9 * +sycmjz8ngt 1 d)gfwp0l+YS

  17.14: A block is suspende cuz5 j+7me;ytd in the air 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 otc;jz5u7e+ ymne 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 sise;thcmfu c2j36l /9k88 gzy atuations is the net force constantly zero on the olck9fy3g6zeaut/8 ;j c82hm sbject?

  13.28: An object is in free fall close to the g- 9pm0w)ugt e-vx;f 4so9, g*xo d0jf6utv qwcround. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be true abouo 6x9vwf9s-)vc tu *ft;wge- jm,q0upg 0o4dxt 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, F1 of 30t1 wl/)m(k 2nhbql: xs N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant ofF1q )xst2k1 (lm:blnw /h and F2 is

  01.07: A force of 6 Newtons and a force ouc 9hqozqll- 60,arm.l oop-* hb5bd/f 10 newtons can be combine to form a resultant with a magnitude of whl qo*ru- bh/0ac,holzo lm6- 5.pdb9qich of the following

  10.06: Which of the followis jbq73. +73uohkr-km1 ospqcng statements is most closely associated with Newton’s T3ks+-jq1ohrom p37c7 .uqbs khird Law of Motion?

  95.06: The reaction forc1597 dqzc6s fhdmkdw/ e does not cancel the action force because:

  14.14: A box rests on the floor of an elevator. ihpp eh g+w.j6(h6m5w .l m )edp+l-piThe elevator is accelerating upward. Whic+w l5 l(pe+-m6p).ji6hegpph.i dwh mh one of the following choices 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 the air with constant spe;zzo1jv:(fa onk z 3go32*omted. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistan j 12kao o;zm(3:*tvz3 fogonzce acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher witxh*3/3 r w2ue38 kjxnf, 5wrorc)uplyh 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 alwa*lrrwh2r) 3 kjpoe/nu3xw x53ufyc ,8ys

  11.13: A physics book sits at rest on a table. On top of tp,nn f 1ndas+n t80lt)he book is a calculator, also at rest. Which one of the following choices is the Newton’s Thirdfp1tnn 0 dtnl+ asn,)8 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 condufackt, :/cqqznw0h t ;:l*bzv*i fp /6cting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the stuq:kp*06c/q/;chtz ln, bt wa*f: fivzdents make?

  99.03: If the net force on an object were doubled while at the same t sd;7f7heaj6qime the mass of the object was halved,then the acceleratio jqhd67 f7;asen of the object is

  96.15: A car whose mass is 1500 kg is accelernn:.c./vmm1 hhi:am)6r mi dpated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating thp .dinm: mmia1r6cn hvh :/.)me car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass of the z bmip0z ble3v5m nk:8.79joo0)ldcbtrailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer bd) zl09k:08l mezimbj.po5b7nvo c3 applies on the tractor is

  99.16: Which of the following principles best expgekcu08 ,5gvlhk2m ci js+; /wlains why large tractor-trailer trucks generally accelerate much more i k0;hlseg,w2 m kc/cuv5 j+8gslowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink ousg6ok) lz s:9 7*xeothrows a 2 kilogram ball, giving the ball a velocityszeo6): lgoku9sx*7 o 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 yow .dd-; k60ntb;fxenewtons is accelerate w;dof.ybn ek0;tx6-d d at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 12 rzs 6v48-hdxssu7xi2 mgf 73y00 kg is accelerated from rest by a constant force of 2400 N. What is the speed of th8ss d y27 r z43vguix6hsmx7f-e car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a r *agx 4pmg-wv:ough horizontal floor before coming to rest. The frictional force acting on the block is 3.0 N. How far does the block slide beforwgax gv4pm- *:e coming to rest?

  95.38: A block with initial velocity 4.0 m/s slides 8.0 m across a rough horizon9 idds4-nx;q f+ bf1mtcmxxm 9 2sw8,otal floor before coming to restoxx9 +-4bq8ws2 sf ntd ,mmf9xdcmi 1;. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontw -h1tk1s 1qjpg.gr7zal surface while a person pushes directly to the right on the box with a force of 60N. The coef g krht17-g1p.zjw1 sqficient 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 acceler(r,zu36 yf giuates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Whicfu (yrzg,63i uh 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 ice at a sp 7h.:0jpc n )f.rqz2qa:ffy yleed v with its brakes locked. It then hits dry pavement and skids to a stop in a di f:2zyh7apyq.r .ncq 0flf:)jstanced. 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 slxlkaokr3.k4f5h 6qc b2 t* v6sides across 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 friction betwe 6afc* sor tqx.5l42kb kk6h3ven 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 slam9 6kkjnlsqo k6r,w*a(lz(m 0l ming on the car's brakes and skiddin66 (zko 9skmlwkla(j,l*nq 0rg to a stop. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of the followingkv8edf ;-vps p f:hy33j7yd q- devices. Which of these3f; yfpkhvds-q8j- d7ey 3:vp 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 rocket with a weight of 15000 newtons is 24000 qbv;9pp4cwy+gy u(02 rmqcw +newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 m/s near the surface of the Earth c+ gvpqyq0;ubmyp( 2+wcwr49at takeoff?

  07.21: A box slides to the right across:n**ywt)e ukk 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 forces exer) et*k*yk: uwnted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal length. A.r8g ax*k bekz rypz67k1ws):ssume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionzrsxyaz7 p.k:w*16r b8ekg )klessly 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 r+xtmp5*lz+2h3lo0bs+yvp f hw e;ps ;oller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same ely +x s;hl+e2w*pbp5; zhpv0ls3o+ tfmevation 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 cartrolly zybg/yu)d6f;3q3d n5 kohjvc0g m cfe3**:bs frictionlessly along the curved track from point A to point C under the ine*)ucn3 *b ggy c5zm0kjyqd3 o fb/f36yd;vh :fluence of gravity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of 50 abbm l59se(;*ocpa2h ;9dd co 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 b 5;o mcd o99cpse l(*ahdb2;amove 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 fftnc ).x:i aux , ckgt.o98p6od2cjb2orce as shown. Then2tt )cpjc,:2.i x9x8ob.6c g ukfoad coefficient 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 second?

  05.10: A homeowner pushes a lawn wovy8t.5dub 8o- k4p xmower 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 not necessarily the magnitudes of the various forces on the lawn mower. Why dp84 v5 u-kxootb8.wich of the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans agaiu6wld6i(m g50,jh eucs4 3s/olz re 6knst a crate on a table. Neither is moving. Which of the fol,6eg/rls6 euc (uwdzh ojk0l5 34ims6lowing statements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a q3wm 68(r-5zauxwij rsleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fast6j8 w(zrwrm a-qiu3x 5ened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?