99.36: What happens to the inertia of an object when its velocity is u x.kg n evn7h3h8pg/2x l//9wnhey7zdoubled?

  02.14: An intrinsic propi nx-.sr q.eqxse34czz06o0l erty of matter is one that does not depend on the quantity ozn6rxxe-0 i0q sl.c.e3q so4z f matter present. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder resi;08swsxp icqg/co: 1ts on the surface of the Earth. Assume the Earth has mass :oq1 8/ s gwpciic;sx0 $5.98 \times 10^{24} \; kg$ 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 inj dv 1-uv0u8zz free fall near the surface of the Earth. What is the magnitude of the gravitational 8vvd u1u j-0zzforce 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 incrf1vch7dgsg+/ ease while its acceleration decreases?dg7 + 1sfhv/cg

  00.11: A certain particle undergoes erm0ggrr-j -k (gh, zo5uratic motion. At every point in its motion, t5 ,mh r(uggg-rjo- k0zhe direction of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a string hel mckr/xkb99:fs et)/ld by a person. The person pulls on the string uniformly accelerating the block upward for a short time. During this time, which on)fek/x9smb /:k l trc9e 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 is the net force constantly zeovwz.(12r:akjkfs-* 8i v di qro fq ivr(ok8iz :d wj*1kv.as-2 on the object?

  13.28: An object is in free fall cl pux,7f)e ogq ga*6am1ose 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? The magnitude of the1q6*g muex7p, fao ga) object’s acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three force7.(kfb5afy 2kw,qi9u gcep4u s, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant off57ye q9u ,ai(kuwf4p.k bc2g F1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 n3ppbzj 9eh2 , 6p x5mmmre0qe;ewtons can be combine to form a resultant with a magnitude of whichmrpe 5b9j3 ph,e;6zx qm2pem 0 of the following

  10.06: Which of the following statements is most closely associated wih81rurw2 5dk( iw4 e0awzqq6sth Newton’s0w wwqz5kei a1426d(rrhqu8s Third Law of Motion?

  95.06: The reaction force does not cancel the action fkej8f8exjfk/4z plc3r9; ,,f0ua f1 f bwr 2iforce because:

  14.14: A box rests on the floor of an elevator. The elevator is acceleratid0/loq3p/b-swybmm 36 bq k5gng upward. Which one of the following choices best repr/-3 q56og /dps kym0 lbbmbw3qesents the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward thro)ypuol s;he jf;rana (h tu utc6.l 0y4q67s*9ugh the air with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to tcuun7fjyp(ao6la0 .t ;l ur9h4)*ht6 ;esqy she 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. . j(x:f(b th-:b*feoa hzjao+6k(vgu The batterswings anueoj :k(o6hhg at(fbzx+ ( :b.jaf- *vd hits the ball. The 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 is a cadb1 fo.jp7 xhpm/-t3zlculator, also at 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? jzodtf17pb. mp3/xh -

  05.06: The students in a Phbo m04 yhaik6dttm 6,- /ou3ltysics 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 the studb ,6 h id 6t40m-/olmyutkoat3ents make?

  99.03: If the net force on an object were doubled while ae r:n16*rz3m 3 v io9bwig+clht the same time the mass of the object was h9rr:en*liv1 z63 im3+gc bho walved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accele usim) 9ze(wd+rated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of thmwe(i9ds +)uz e net force accelerating the car is:

  99.05: A tractor-traile ssnn)cu)e-ns-w0)oz ax e+l7r truck is traveling down the road. The mass of the trailecsse)xn)0-lsaz +w uno7)ne - r is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles b zwen9:ea9qg 5,sl1.wqb;qwln ie0-eu j4ey ,est explains why large tractor-trailer trucks generally accelerate much more slowqb9ele 09 iw qzw;5n-:n.qwe4l,,1s ejueyg aly that automobiles?

  99.19: A 50 kilogram skater at rest opusj:44q ck hougm .v97+vw w:mz c(i-n a frictionless rink throws a 2 kilogram ball, giving the ball a velc uw:os.zqju4wg:+(c4- i7 mvh9mkv pocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth witvcuw2( f9c,mvw(z xe-h a weight of 100 newtons is acceler(wwvc- ,2 cxvm e9zfu(ated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated: n -xdqy3j*nr from rest by a constant force of 2400 N. xdrnq* j-y3n: What is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block wit(betg5l vo0p 9;wy4z nh initial speed 4.0 m/s slides across a rough horizontal floor before coming to rest. The frictional force acting5 tz9 geo(4w0 nybvl;p on the block is 3.0 N. How far does the block slide before coming to rest?

  95.38: A block with initial velocity 4.009ov0 hmx3hep z .pk5u m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coefficient of x500khep9vz. hop um3 friction is:

  09.21: A 20.0 kg box remains at rest o *h3fbps0 *gls2t4*cuowit9k/w9v aon a horizontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction between the box and the surface is9* 9hv*utw gf4its/0l 3s bowackpo2* $\mu_k$ = 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 accelerapg6idgz6v) ylme.5 + btes uniformly to rest on a horizontm6 6gb vpd 5eiyz+g).lal 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 and the block?

  00.21: A car of mass m slides across a patch of ice at a speed v wiad ,bu,wpu7.)q1p xbxth its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction betwadbw1x)7 puup b ,,q.xeen 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 slish:ry ;ov.x9xlfs g* )des 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 between the tires and the dry road i;gv:y9s) xos*fr l.hxs μ .

If the car had a speed of 2v, it would have skidded a distance of

  04.32: he driver of a car+u;vfh n0 vco1 makes an emergency stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it had bv ocvuh f+;01neen traveling twice as fast?

  99.39: The driver of an automobile must carefully coel z8(zs o*m2n/mdxx3ntrol each of the following /x (38 oxms2ze zn*mlddevices. 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 rocket with a weight of 15000 newtons is 24000 newtk v)xcpv5)b h;sp-ag/ons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 ps)apb-c 5)/xv kh;vgm/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right across a horizon - kjf7gp.nfoymh6ds4/s (qt3 .vlq2ztal 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 exts j7mzyh4snp2 vl6 .qdgqfo k f(3-./erted on the box.

  02.27: The diagram below shows three roller coasterr2f1q w8z ,*34ajsh oau5zq 2-yluwp t tracks of equal length. Assume that on all tracks the roller coaster carts start from rest uw4zul s5 at3zwfyq *p2,1jro8q2h a- 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 le3jiu;h:ogip )t7 y4c mngth. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to h; u)gm:cii t4j3p y7othe 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 curved thv u kuw,,sk1 20toit7rack uh uk1wtv 0s,kot7,2 ifrom point A to point C 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 50 kg is dragged across the floor by a rope wg63pxda v fg3put 372phich 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 inxgt g 73d pv26pup33af the diagram?

  04.40: A 6.0 kg block initially at rest icrr(rm*);x:qodj f h2,.aldss 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 is true of the friction actin*ja:;lqd )cr.,x(m oh srd2 frg on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizontada.q2q3itg e4 hm.6jvl 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 t462evjg3mq.hi dat q.he various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is moving.r)n8-k lh09gzjte* n xxf,pj 9 Which of the followin j80ft) plz-*j,x x h9n9rkegng statements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as 5 -b6y zm/(lg- afrjbhhyjw0h8x53yethe sleigh is pulled up 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 s8e/l(z hhfbyam-xj 0ybhg -r5jyw563peedup the hill?