99.36: What happens to the inertia of an objt-u0gu), n0dri:c e, xjnzq3iect when its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not depend onmiv :/ 4ep;e9+-t ycgpeirph- the quantity of matter present. Which of the following properties is NOT an intrinsic proprvhe/ p -p et9g; y4pci:ei-m+erty?

  04.16: A 20 kg boulder rests on qa*tf s-iygxki7 e 6j q,nc(tv 0j:s8(the surface of the Earth. Assume the Earth has mass6 yacx8q,sq*(7:fj (jnkt gtvis0ie- $5.98 \times 10^{24} \; kg$ 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 v5uv1i,ut0 b xpd g xwq3,49lvthe Earth. What is the magnitude of t, v wqlv b1i 59xvp3,4x0utgduhe gravitational 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’bz80vkt* k5i1vi.: j *so2y4ou xvap4p,nggms velocity to increase while its accelerationgjn5 ,v s*4uygiti*k4b v ap8 :p oxok1z2v0.m decreases?

  00.11: A certain particle undergoes erratic motion. At every point in -d4wsz4+yi9ilxj9 au its motion, the direction of the particle’s momentum i lyx4wa9i u ij9sd4-+zs ALWAYS

  17.14: A block is suspendr;7*iorq 9j1aaey/psf 7d7es ed in the air at the end of a string held by a person. The person pulls on the stringye7d p f7qaao1ie/7s;r9js*r 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 the string on the block?

  07.18: In which one of the following situations ixfhmxj5f+k( nrmw sm8i;;y b8k)n 42 cs the net force constantly zero on thek ;sw+mni;bj frf)nxmmk4 c(h8582yx object?

  13.28: An object is in free fall close to the ground. A person intervenes andyl s)p8 smj3(.qah0ji slows the object uniformly to rest. Which one of the following statements must be true about the83isy.hqa( 0 jl)jmsp 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 thr2ph8enzq)+a9ar dp,c ee forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. Thea9 e) nhrpcpad2+z8,q magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtovj fk*on9x*xc 1mkc( :ns can be combine to form a resultant with a magnitude of which of tnoccm**1 vf jx(kxk:9 he following

  10.06: Which of the following statements is most closely associated with Newto)r*fqpy 5z (yln’s Third 5zql*r y)yfp (Law of Motion?

  95.06: The reaction force does not cancel the action force becau)k):9x)nhoz r4upscsse:

  14.14: A box rests on the floor of a*7jflo taf uc:4a /r.hn elevator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravotc7ah:4a . *uf/fjl ritational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with constant speed. W- lh(n zm9 .yg(a.wvjkhich one of the following choices correctly describes the Newton’sg(mh. k9-(yw janvz.l 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 speed of 35 m/s. The batterswb*9yqrww36) v yae bc-ings and h-9b6* e)av3r ycyqbw wits 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 th3 xpk70 jxt6rwe book is a calculator, also at rest. Which one of the following choices 3 tr7wx6jxp0k is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students i:l5n -xyqvkjn d6 d;0ln a Physics I class were in lab conducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the rig; nkl:x-vyqj6dn 0d5l ht. From this graph, what conclusions can the students make?

  99.03: If the net force on)x8n3.jp/dotxg z bf/ an object were doubled while at the same time the mass of the object was halved,then the acceleration of the obj/p /nt8o3bx. gxdfj )zect is

  96.15: A car whose mass is 150tzr(1wgr.p r8c6v -wd0 kg is accelerated uniformly from rest to a speed of 20 m/s in 10g.w1v8 wr d-rp6ctrz(s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the roerh:qv 8mj5xewbty7my ,l e -r 0v81q2ad. The mass of the trailer is 4 times the mass of the tractor. If ex rv v:0 wj8hr1t5eyqq-72lby8e m,mthe tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why large tract ee ws hf/*pz1(whc sy:+*u.asor-trailer trucks generally acceleraesy wp.c/z *:h fhsuse(a1+*wte much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictiont -2+l,6zbnuhds3 b 3u zg,a0ik/f hejless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement d63+3s- tbg2u bnu/ al d0he,hjf,ikzzescribes the subsequent motion?

  00.13: An object near the surface of the earth with a weighx gzt22a6kk lsl+,r;t t of 100 newtons is accelera ztt;lskx+2 k62 l,ragted at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is7r87dtwlxc/fp4w q z+7 x.z 2x4fmofx accelerated from rest by a constant force of 2400 N. What is the spee.l+m o4wzxp7/zf4 wcf xqx 7t87 dx2rfd of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across vm ;0d q5w6zw4zdno . ol)kft-a rough horizontal floor before coming to rest. The frictio)oq v- dnm4z; .l6ofkdz05twwnal 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 rouo-d gkf/o8ed/gh horizontal floor before coming to rest. /gf/-oe k8oddThe coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surfm o*yi4.xu:w tace while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction between t4:oyui. wmt*xhe 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 rb84mxye 0tvac f/ocu)0s4u .y est on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following choices best represen4oysm/ycxab4)v uc0 e0 f8.utts the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a kz y +0sakyv 6vx()a z6)-0b zafiz5nlpatch 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 thezl6 a 0aazky+f)( )xi0vb zknvz56 sy- 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 across a patch of ice at a speed v with its brak)ps8my34e ;j95rvrkhj o w+wbes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kpjhw;+35 m 4jsyvkrrw9oe b8)inetic 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 emergency stopq7f5kh .0t s3ul vjp6y by slamming on the car's brakes and skidding to a stop. How far would the carshqy.3uv j6p l5 f0tk7 have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile vl3zd n ki - ;3y63w/sgveclr3must carefully control each of the following devices. Which of these devices c s-idg/ rv63z cywlveln333k; an 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 newton: 5sv,m4rrzhi s. About how much time is needed tr5,h vizs 4mr:o increase the 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 ripm q6ogvk o-.4rvx 0g;ght across 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 mg p-o;.r6qgvk0ov x4 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 th9pc s:gbg;*;b2 b ugv.p/yuaa ree roller coaster tracks of equal length. Assume that on alu; ;bv2ggu.ppcga/* ba bs:y9l 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 be traveling the fastest at the finish?

  02.28: The diagram below shows three roller coaster tracks of equal length. oni6 g8w q)pp7Assume that on all tracks the rollp )nw6o igpq78er 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 rollercoasterk wjdkop43w) 0-k95 .djr4yt (nr rdajovwk80 cartrolls frictionlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of tpvy n0jkrra -wk o4w5jk9dd84. k ( wtjo03rd)he cart's acceleration at point

  02.40: A box with a mass ofrwv c)v3p7m:k 50 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 flocmwvp :vrk) 73or 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 is pushedfs:o6brn-v c 1 against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while thr:6f1cvo b- sne 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 mower across a horizontfdcn) bi 9 6z6lwe:t-gal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly indicate the directions but not necess6bg 6l enifd-c :t9)wzarily the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a2tcs,nmhf 9 j*whdhs k,k*7 5e table. Neither is moving. Which of the following statements conce2h n7,hckme t s5d, *jhfs*k9wrning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh asuwd15f oi0l., mt.,)adpa dl a the 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 speedo.ldma10a dwa,pil t5f., )duup the hill?