99.36: What happens to the inertia of an object when its v5i sujp2b ljz:7h c-mn;te56 delocity is doubled?

  02.14: An intrinsic property of matter is one thatxdqfn2cau30w uw.ai fw( q;,7 a/z3m d does not depend on the quantity of matter present. Which of the following properties is NOT an intrinsic proq/ ,(7.wq;afzuw20xifwn u d ma3 dca3perty?

  04.16: A 20 kg boulder rests on the surface of the Earth. +6 gk+2,-ji4yvuuc oljg-wg t /modpu c,s/1iAssume the Earth has mass/m/+ j1 lu,g-uovicg46dcj iy2go s+pk-w,u t $5.98 \times 10^{24} \; kg$ 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 is q.(o +jnkao yh9)2xeo3k5jnpm s,1otthe magnitude 5okoso.+(h9p at 3y2 o n m)qjn1k,jexof the gravitational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible fotty 6m(u:w (w3yr icy9r an object’s velocity to increase while its acceleration decre3iy69(: utycww y(mt rases?

  00.11: A certain particle undergoes erraxkq(*1don/; 0t *lqx*mi4rizgrrn( atic motion. At every point in its motion, the direction ofqi;iz0n x aqtr/o*rrx14( *mgn*(lk d the particle’s momentum is ALWAYS

  17.14: A block is suspended in the airm6ti :qdruf(+bl8 a8 k 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(:kimfal 8u 6dqr+bt8 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*qsn5 fepc+2 h situations is the net force constantly zero on the obje2p*qfcs +en h5ct?

  13.28: An object is in free fall close to the ground. A persoxeod6m3or 3zw (vn z(2n intervenes and slows the object uniformly to rest. Which one of the following statements must be true a6ro zzem 2w3dvn (o3x(bout 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 l8ah5;*k cv;d yb7gurthree forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting guyhcb7 ;5vd8a*;l rkon it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons canvje t5)9r9h qu(u y cm.lq2 :rsy-hh*oul6dm- be combine to form a resultant with a magnitude of which of the followi-mr:qjluc q)u smuh dy vh9rtl5(6h9o.2-ye*ng

  10.06: Which of the following statcbg3z 652treq ements is most closely associated with Newton’s Third q3c5 gt2r6zebLaw of Motion?

  95.06: The reaction force does not cancel the action force b r-(t9d:one0arpp -oy rz-z:aecause:

  14.14: A box rests on the floor of an elevator. The elevator is acceleibkngwz(b /. 6-vei p2rating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravit (g.b/ ikbip2-n6zvwe ational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with ch),3 vwvpb / xw( ru7dpr*sf*yonstant speed. Which one of the following c bps* y3u7*pfw/x ,)(wrdr vhvhoices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a spee, n--ewsj-mek rn v9:fd of 35 m/s. The batterswings and hits the ball9sw-nmek:,-e n-f r vj. 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 bod d6fn beb7 n7z(hn to5w7:t8pu*pgrb5+ f6ur ok is a calculator, also at w g u+b8td*5eor b76ff npduhnp7zbrn57t(:6 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 Phyz)fk:t:5o +f3lrpto osics 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 t: f3rozol +pt :5f)okstudents make?

  99.03: If the net for3e, jfnb r;)+;g hweyw ce:(muce on an object were doubled while at the same time the mass of the object was halved,then the ac,u (;;wbe rjnfec m:eyg3h+ )wceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from restotp enne5p,5w 31kh.r; c: 8qw2koexv to a speed of 20 m/s in 10s. The magnitude of theepx.,5 12pkw;voecnrt8: qok 5weh3n net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass o qmgt7p n62eb r7z.cr3f the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trai 6gc.z773qrr pe2mnbtler applies on the tractor is

  99.16: Which of the following principles best explains why large tractor-trailxk6hk cumk3k69n bn2;er t6n hmk xk2k;k bc3u6n9rucks generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws a 2 kilrss4xx ):f,w: jw0:1fkv mtvhogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes hv1x js:sr:4t) f kv0xf :m,wwthe subsequent motion?

  00.13: An object near the surface of tbox ;pxt 42wn90ipj k)he earth with a weight of 100 newtons is accel ;jkn9 42tb o0pxxw)iperated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerate3ocw1w6 zxs.pd from rest by a constant force p6zo s1c.w3xwof 2400 N. What is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speedly5rgr; 09z qd 4.0 m/s slides across a rough horizontal floor before coming to rest. Thegdz;0 yq 9rl5r frictional 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 velo ;9 uwn6tmz1tu/on:gg7bsi g,city 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coefficient of friction isutg/gn1gw9 zui ;:m ,n tbos76:

  09.21: A 20.0 kg box remains at rest on a hz7ri3b4z+h4so+u j dborizontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficie zz3u+h i4dbs4boj+ 7rnt 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 uniformdwn52r 9um6kwly 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 represents the coefficient of kinnrw 6u95kmd 2wetic friction between the surface and the block?

  00.21: A car of mass m slides across a patch of ice at asye-hlwf;dn-./ s e:,ka2b qh 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 rof-swkd qeha/s;: .y, nleh2b-ad 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 across a patch of ice at a speed v with its brakes/w8dmhp p 42sj;9v3cnoq) n gh7gz)pe locked. It then hits dry pavement anqmosj/pzh9 ;) c78g vdn w)g3 ppe24hnd 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 ma:lvv)).d0j scm g)czrkes an emergency stop by slamming on the car's brakes and skidding to a stop. How):sv)0)cc zvdjg.r m l far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully c.ja.eq *uh8ozontrol each of the following devices. Which of these deviceseho .z qj.a*u8 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 150(8 tn9a. hnvc)yv6vo o00 newtons is 24000 newtons. About how much time is needed to increase the)c.o6(ohnyvv 9va8n t 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 person called Tl5 q.icq ;t8) z8ixmaxed exerts a force T to the right on the box. A person called Mario exerq liic8a5xz ).mx t8;qts 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 trarict4lw jh11(65m weth7l 5dr cks of equal length. Assume that on all (e4j5il rmtwrlth1 7c dh6w51tracks 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 be traveling the fastest at the finish?

  02.28: The diagram below shows three roller coaster tra(j)7v x w*6v yiqcp,oicks of equal length. Assume that on ,qio6jpi xv)y c7v(w*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 alb wo9;(idyzj(bx0ddi +)y p 9nr;xe, nong the curved track from point A to point C under the influence of gravit(y;,i)+o0d;9n9pw(dej zndrx xib yby. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is drb63p)g, pkqo4 sycf2d agged 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 require, 63yb f2pck ogs4dqp)d 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 push fae a.p9b,0 fgjvn 3hpm5.w;ned 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 e.5 p mgjv hnnf; w,.90a3abpftrue of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes a laq f9m( d;pgejc -,h,hewn mower 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. W9c,qee (fm jghd;p,h- hich of the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate o.vx9kg +cb4dh2qvsnzbp m5 t g;80p2tn a table. Neither is moving. Which of the following statements cov ghxqtbz9+4.8 pnbpmscgt dk05 ;v22 ncerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pulle 7*g3hh y2b1x*5n1alrm03pt,om h x h i7ervpmd up a hill with an increasing speed. The crate is not faste *xtom1x, 3mrimphnh 7e5 p372h1rlahyv0 g *bned down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?