99.36: What happens to the inertia of an object when its velocity is doublcl6 q*yfv+wu +ed?

  02.14: An intrinsic property of matter is one that does not +k5 5pkwg+kjwdx0)vd depend on the quantity of matter present. Which of the fwkkv+g+5d0wk )pj5 xdollowing properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earnmwbizm gotz /o/7.5 5th. Assume the Earth has mas ib5 gzo7mt/o/5n.m wzs $5.98 \times 10^{24} \; kg$ 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 f.dr*zxmvh5s:m9d8:6d7lbw--njbo gk) patdall near the surface of the Earth. What is the magnitude of the pb)a8mx.wg-hjs*- k6l:97 ddo z rm :vtbd5ndgravitational 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 while ibu)u-+ vxoa o:l9/u0zxtjbp 2ts acceleration decrepzavu u-l+x o/0 : jx2u)tb9boases?

  00.11: A certain parti2 v us 3pp20;3nx lscqe 46mpyac74xpycle undergoes erratic motion. At every point in its motion, the direction of the particle’s momentum is ALWAYS;y7lpscspac ue3 4qp34my2 6 0vxpn x2

  17.14: A block is suspended in the air at the end oftgry q/7y0u49z vscj* 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 the following choices correctly idu09srtyzq 7 jcy/vg 4*entifies the Newton’s Third Law pair force to the force of the string on the block?

  07.18: In which one of the following sit;fb6m dyf hb02 ai.ji0uations is the net force constantly zero on thd6b mfi.ba02 j yfi0;he object?

  13.28: An object is in free fall close to the ground. A person intervenes aj-n-1 ehvqp7p y/ .wp/ j- o)bmajv,kwnd slows the object uniformly to rest. Which one- q 1pmvoke/yphp, a7-. wjjwv/ )-jnb 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 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, Fe4(ft hb9mxuz8j;+p k+zo;vi2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant ohitkjxuzbm 8vo49++fz;e (p; fF1 and F2 is

  01.07: A force of 6 Newtope4hu9o7 (: kj rt(bshns and a force of 10 newtons can be combine to form a resultant with a magnshbkoj(r:ph 9tu 47e(itude of which of the following

  10.06: Which of the following statements is most closely associated wih;z1q+cez2wl whss kao8x693zt)zs8 th Newton’s Third Law of Motion?lwsqwzh xe88 2ts;zh9s +3)61 oca kzz

  95.06: The reaction force does not cancel the action force becl .-hdnhe2ba ra+(wz1 ause:

  14.14: A box rests on the floor of an elevator. The elevator is accelerui0uab,-6 xnva n/ e+.1z oxxtating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force axxazeno x,n .1 vutu 6b-+0i/acting on the box by the Earth?

  15.15: A skydiver falls downward through the air w2q/ or9;cn7tvpnm. ; rg onuf/ith constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver durin;nvrn 9qg/f opr. o/mu c;27tng the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. The b;q.t qrr2 pfgpskw j0 ./jp.b(atterswings and hits the ball. The magnitude of the force pfpj.q;k.2s tr j(wqp b0r.g/ that the ball exerts on the bat is always

  11.13: A physics book sits at rest on a t2 10t/.rw kpm:amcfwu 8i2jc eable. On top of the book is a calculator, also at rest. Which one of the following choices is the Newton’s Third Law pair force to the force that the table pe 8cci:j2twmu. am2fw r 1k/0exerts on the book?

  05.06: The students in a Phys93l-5 rl wotrfn8 -rofics I class were in lab conducting an experiment related to Newton's S89 r -r5f3nlrolf-wtoecond Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doubled while at the same time theq2opulgo whb9 5*g3hd ec8(,s mass of the3gg8uh 9 oqshcw 2e5p(l do,*b object was halved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg hawbuiyv k;1ut x77+3+ygqs9 is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force;uxbu+twv1g7+y73s hqi k ya9 accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the (i t 1vp/y2dgw +lfj(ayea8*nroad. The mass of the trailer is 4 times the mass of the tractor. If the tractld y+ ye gtin(f81 vjp(a/2*waor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the follow i + mb19fsopnf6x,a0cing principles best explains why large tractor-trailer trucks generally acceleratsi0 fa b6p1oxc f,nm+9e much more slowly that automobiles?

  99.19: A 50 kilogram skater at redld wcc pd8h(a; + hui:1kpp+/st on a frictionless rink throws a 2 kilogram ball, giving the ball /w c8h1il+ pdu;hk: ac (dppd+a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth with 6 t 3iw04ular*f a;n:vk o6grma weight of 100 newtons is accelerated:uf w4k6 0; rgatn v*l6irma3o at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 12s+ 2-.ql1 u kiij *r3ur ivpsv:l6o*fj00 kg is accelerated from rest by a constant force of 2400 N. What is the speed of the car 8.0 s after v 6 ivi*o3ljiluk2 *j-fsq1u+ rsr p.:beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a rough horizontrl,+ nlluk b;46fj6gurz 8g/hal floor before coming to 8hr4gk+lj u,/z ;nlu6 l6g fbrrest. The 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 velocity 4.0 m/s 0lm2+8hstac/5y pwopu z*se *ilo n:/ slides 8.0 m across a rough horizontal floor before coming to rest. The coefficient of frictio:snl5th s/ zem20+u p *oc8wloa pi*y/n is:

  09.21: A 20.0 kg box remains at rest on a horiz6m/po.vopmvog+ dcu:2zy e + 7 gb;ts/ontal 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 pyv+ ev2d / 7.:mb6o go+gocptz;/usmsurface 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 mov2hq9c*1xp xg(x(uj;3gll n vt ing at 8 m/s accelerates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following *utnc1jx9 ( gv(ql3hlp2g ;x xchoices 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 with its/ew tubc:ubo 0g o2c-: brakes locb- 0uu:cgtcow e2/b:oked. 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 across a patch of ice at a f-8.dm- , n.fmjn) kibhzbjr6speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinem,- .r86.kbjm) j-hin nfbdfz tic 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 stop ep t6 2t0 c+:kvyd4f,k/zqysdby slamming on the car's brakes and sk zq/,tp dvc46f:k0 ey+kds2tyidding 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 folloy**xdh9tri(brlc k ()wing devices. Which of these devices can cause an acceleration iny *bcdx ) *(t9lrhr(ik 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/cqrlb*jr6q*jh5v2 n of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 qvr/nh2 jqjr6* bcl*5m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right across a horizontal floor. A person callhnnk yi0(u 2hc29/t yged 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, rh 9it/y ( ygnuc2nh2k0ank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows three ropkzm0pzoww / cg-((x*ller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the finish. o (cp/(x -z g0w*mkpwz
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 tracksfh21eh1m m *ui of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly ove mhm2i*u f1h1er 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 aloni0kv;g2ano;q:d r:p m14g)sdke 1swfg the curved track from point A to point C under the influence of gravity. What would be the directig1s:a1: n;v)p i; skqgdow42 k0dremfon of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor 0oja*p5n vnyj-iy:jpzct( *1 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*nj:oy-1 (v0pc*zp ytnjj5ia required to move the crate at a constant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg blockhw7vbb fynuo:91j 2lab,0wa6 initially at rest is pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static friction isa6bu,fyhj ba7:o 0l9w 1vwnb2 0.50. What is true of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushesah+sbvq8p(y/ l9a1qp a lawn 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 for qhasl(+ /b8a1qp y9vpces 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 a table. Neither is moving. Which of th8f*d)xjgrm( omo mb/ xs)di4/ e following statements concerning this situation iix )4d/j8d )omrm/fg*(mosbxs CORRECT?

  06.15: A crate of toys remains at rest a:hx94tz0i3 7kgbt b ron a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. Whatb:7 iax rtghk90b34tz force is responsible for the crate’s increase in speedup the hill?