99.36: What happens to the inertia of an object when its velocitk6xovta,- l9b uu* ; 8kawvh8ty is doubled?

  02.14: An intrinsic property of matter is one t m0u*m18mj .1:lfhascfny2 mthat does not depend on the quantity of matter present. Which of the following properties isnmful1 .mmay1:c *8fjhs2m0t NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Eamzhc* f (i2.v:2 yf82dois xmn* s0avlrth. Assume the Earth has masscz2lf.i(8 si :*ov hafymv 02md*2x ns $5.98 \times 10^{24} \; kg$ 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 ipv.yn9gj9l, nr1hg 7c s in free fall near the surface of the Earth. What is the magnitude of the gravitational force acting on the earth by the sphere? n9 1 n9ghp7cr,gjl. vyThe Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its acceler nbpn6d+7 jaqc4v3ka1ation de1nj pcv3na ka+7dq 64bcreases?

  00.11: A certain particle undergoes 0a+j k .f- r(ol.pweev(oma:ierratic motion. At every point in its motion, the dire+:0p.lia-w oj(eek.rfmo (avction of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a strii 5n-9 r0 lz3lgi,x z:t .pofnz2,qkntng 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 L , 9k.lnf3,tgo5pzznq-ix trzil2n :0aw pair force to the force of the string on the block?

  07.18: In which one of the followi/jl4p+r 1epq, i(mjsmn zax ::ng situations is the net force constantly zero : (z+4ejpn m aixsm,p:q1l/jron the object?

  13.28: An object is in free fall cl07tcb 6ttbv)rr( giz 9ose 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 acceleration of the object as it is being stopped by the person? t 9rc(g trzv6it )b07bThe 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 30 N, F2 of 50 N,688rkoqwlka nurn144 iwz 8rl;( (hh y and F3 of 70 N, acting on it. The q 18wr or n4( l;u6ahiy4z(kkl8whrn8magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 n.+j lo* sogm92svxuy9ewtons can be combine to form a resultant with a magnitude of which of the folgums 2+ ov*o9sxj9y.llowing

  10.06: Which of the followin zqy;ebi 2a:0rg statements is most closely associated with Newton’s 0ri eb;ya: qz2Third Law of Motion?

  95.06: The reaction force does not cancel the acti/pswo7u2c 9 odon force because:

  14.14: A box rests on the floor of an elevator. The elevator is c7-,:kldeir dj tnh-( 3 djib:accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on the box by t:3j dkt7 bd ii( n-:edcrhj-l,he Earth?

  15.15: A skydiver falls downward through the air with cdj dy,)9 covn8sed6lf6hhs 51onstant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air rehdo,d 95eslns6cy h1vd f)j86 sistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a sp v4rsmzcso6ar967tu :a2x4ap eed of 35 m/s. The batterswings and hits the ball. The magnitude of the forcerscv4xu7 6o:za 49a2mrpt 6s a that the ball exerts on the bat is always

  11.13: A physics book sits at rest on mw3;ux)a v *pcmqy+1q a table. On top of the book is a calculator, also at rea; m)wpcu q1x+3ymq *vst. 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 6mbdnuwi(fx *tkzf1qy *w4p+2 z:sw)I class were in lab conducting 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 them(*nw +qyzsw z4*1 wf6)xf 2uidpt:kb students make?

  99.03: If the net force on an obtrb gh hr237mh. jo5mkvwzt(dcn p8*8r5 kb/2 ject were doubled while at the same time the mass of the object was halved,then the acceleration of the o82vrz 3 nmrtr. bbkm7h*h 5 dkt5(28gwcojph/bject is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from rest to a speepm-)b z heh 9wvdw14o8d of 20 m/s ibew9ov h p8md-zh1 )w4n 10s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-traie0/g n5tw0fginsz+l1 ai1 7p brk25ka ler truck is traveling down the road. The mass of the trailer is 4 times the mass of the trac 0irntfawak7p2 bzg0s1+e /5kinl15gtor. If the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the fo;wbf0m rf+9 cph vi*f/llowing principles best explains why large tractor-trailer trucks generally accelerate much bf90*fr;fcm p +w hv/imore slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink thro / )ao*9efopwkws a 2 kilogram ball, giving t9 e*o)kp /fawohe 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 newtons 5r5dyob+0 mm yis ac+rm5o d by0ym5celerated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is acce cxzy4(nwae*u4hxs;f b/p5 9qlerated from rest by a constant force of 2400 N. What is the speed of the car 8.ysu;*44q5pf h 9czb xx aew(/n0 s after beginning?

  98.32: A 3.0-kg block withum *x29n9s msu5bal r1 initial speed 4.0 m/s slides across a rough horizontal floor before coming to rest. The fricsbl xm 52usn991aum*rtional 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 velocity 4.0 m/s slides 8.0 m across a rougp2r:zore9 9nb :wn/aqfq( lc- h horizontalrr(lz n9-ocwbp/fqa9 e2q: n: floor before coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on xi f/wtv 4i,(oz5ldt0a horizontal surface while a person pushes directly to the right on the d/ l ixwit 5,0ftzov4(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 uniformlc ) h.h2:e(n d3c;lo7vew4hg z pg1vpky to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following choices best ree pl); egd : (c1hgc 3z7pvov4hn2hkw.presents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slid.rwp;7*xfa fcwv +bys,k5 p .ves across a patch of ice at a speed v with its brakes locke p*v; rckwbp. 7ayv sfw,xf+5.d. 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 slides acro 4 x 72)ff4r4g/jdilnxj5(k j95 xfp*uhpuwmy ss 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 frxj (pn5l ) wgkr9*yji74u/pj4 x52 xmhf4du ffiction 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*8t y3rk -:7 t9kpf5bo dyegkg on the car's brakes and skidding to a stop. How far wouldd:bg3fttk*9ep roy kg7k8-5 y the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile , w-host*ezc5must carefully control each of the following devices. Which of these devices can cause an acceleration in a moving car5e wsz, oc-t*h?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force s33sbc2zybbhh 17j iku1 uz82 on a rocket 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 3hsz32bk yubsj1 i1 8b 2hzc3u76 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right acrozkagt.ua7 ): zss a horizontal floor. A person called Ted zt.:) u kazg7aexerts 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 exerted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal length. Assk;q)rqi 8u ,azume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly o;k8z,r)iqua qver 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 length. Ass;nc;9n/ro * r/(rc bd1dbsd7;bklqy tume that onbb;r ; cdr;no7 dq/b(ydklr*t1cs n9 / all tracks 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 alo1bz gs s.1hw0puc:p4 tng the curved track from point A to point C under the tc1 s spbzugp1h:w.04 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 dragged across the floor by a rope which ) 9fywahcg5c+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 new )5w9hgcyc +faton 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 again8iuyh ttpu,p- 6yscq ,78lk( 8 2nmlthst 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 nqp c6,t 8kh82,7 s 8yuu-hitpyml(ltis 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 of grass withobwh wpo,-t jq.u2 2b+ 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 relation2b2.btqh wpu+ ooj,-w s among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is moving. Which of tj;vrsghrxa,b; a;bd k5/:tai 5i mf:8he following statements concernisbjdfk58ia:av a r;xm hi,;btg:/5;r ng this situation is CORRECT?

  06.15: A crate of toys remains at rest on -ltq2; lly3fm a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. Wha3 lf;tly-2qlm t force is responsible for the crate’s increase in speedup the hill?