99.36: What happens to the inertia of an object when its velocd+u4h8g0oy ccity is doubled?

  02.14: An intrinsic property of matt2h .m u(jz*tz x-,kb0zfh dxj:er is one that does not depend on the quantixktmzz,h2zhbj: ux(0f j.d *-ty of matter present. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume the Ea kzk 8;hq)quf(sp ilv18jxy-ach* 0p5 rth has masz(qjh1 h)vpfa cq ikly8*0p8s ;u- x5ks $5.98 \times 10^{24} \; kg$ 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 fm)gf qadzo9h bz w,z-h3i)zf8h6;n .call near the surface of the Earth. What is the magnitude of the gravitaticfg36- ,b ;zmh wadn8)zz h)ohzq.9fional force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible f d*a+4s:vt vdf2d36*d tbdlador an object’s velocity to increase while its acceleration decreasesdfal d4 * dtd:+*s6vtd3b2dva?

  00.11: A certain particle undergoes erratic motiovgit 9(o3cv p4n. At every point in its motion, the direction of the particle’s momentum is9 tgpvo4 c3vi( ALWAYS

  17.14: A block is suspended in the air at the end of a stfiu ;rtof)9jy m;zp6 4ring 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 Law pair force to the force of thetj4mi6y; )p rffuz;9o string on the block?

  07.18: In which one )1ftzfcala:s )m sv51of the following situations is the net force constantly zero o)a st:a1v)l1czm s ff5n the object?

  13.28: An object is in free fall close to thetnog iu3m q497 ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be true about the magng tu4mn3q9o7i itude 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 equigg1) uxj5h8aeh3fl x 128nngtlibrium has three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, a5f1e nhx8h823ag 1jx) glunt gcting on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a forcefsf+ 5a x;,uu clsth128s7lzb of 10 newtons can be combine to form a resultant with a magnitudex+517uf,b2sl t suh8c ;szalf of which of the following

  10.06: Which of the following statements is most close(pdjd ) (zyg hsk(b:t5ly associated with Newton’s Third L:gj(ph dbs (5 t)zd(kyaw of Motion?

  95.06: The reaction fox(4qs +:*2hhqeriueq5+is:kds p f y0rce does not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is accelers (w: wlzv)p0ybor-t 7ating 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 the v ywlrs ): p0b(w-t7zoEarth?

  15.15: A skydiver fallrf k)kc -es ; *hm8sn9lq5sf-as downward through the air with 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 durin8)-emh9 c a -;sr*5snfs klqfkg the fall?

  06.08: A baseball is thrown by a pitcher with vvnlh tb 7)sm9wu6vpwi:51- a a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on th-pw:htvw1vnsmv a6 )b5ul79 ie bat is always

  11.13: A physics book si5e+z-e8veuvtr srfry4v y zk1, 5cw56ts at rest on a table. On top of the book is a calculator, also at rest. Which one of the following choices is the Newton’vzsw4 zer5,5r6v8r 1f+e tey5u- vck ys Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conducting anblh 5.bgtu6 i) experiment related to Newton's Second Law. The collected data were displayed on t gtbu l)6h.ib5he graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object)b(m6ctz d6us1y)qt;8bps ekqd38 cw were doubled while at the same time the mass of the object was halved,thycdqbqes6z;u)mtk p8 3b8wd1t6 sc )(en the acceleration of the object is

  96.15: A car whose mass is 1500 kczy )9 j:ubw5r59rv; apdh*r hg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerrr)zbv9h5a jhr;5uc wp d9:y*ating the car is:

  99.05: A tractor-traile-s s(k)v vbinou10vv(r truck is traveling down the road. The mass of the trailer is 4 times the mass of the tractor. If the tract)nv0(io ks v(-vbuvs1or accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles)n1 e epvgw-h558xwf fp(z3yy4bcf c: best explains why large tractor-trailer trucks generally accelerate much more slowly that automo54)f3n8: 1yp5ex p-(cfwg hbfwzcyevbiles?

  99.19: A 50 kilogram skater at rest on a frictionless raephfalz-/g;pi j 054n5 j 6uuink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s65hjepzan -0/ gu4;ip5 ju alf. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 100 newtoomrk38:g zo8 4 anctw:ns is accelerated ao88n kc :twamrz3go4:t $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass isosw lkudj-ap 32h)e1 - 1200 kg is accelerated from rest by a constant force of 2400 N. What is the speed o o3ew)hpuksl- da -21jf the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a rougscxx i +7-7orkm39 kkuh horizontal floor before coming to rest. The frictionalxku7ik+ox- 73 rmc9s k 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 ro7nfykuy3gm2u*2 xs z7ugh horizontal floor before cominxkyuzg2m su7 7f*ny32g to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remc xi(qlm g7/7muw8vx6ains at rest on a horizontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic fxx 7 (i7m /gcqulmv8w6riction 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 uniformly to :14lj9vu qfr qu 34-7h kkpylbrest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following choices 9 lqrpk: khv u3j l14q4uy-7bfbest represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a patc ii ucgnbs50./ b0yg/dh 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 n //isg5b.cg00dyubi 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 b0f50h - rzwi el;(thohrakes locked. It then hits dry pavement-w 0 ztfr0;o(ihh5lhe 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 speed of 2v, it would have skidded a distance of

  04.32: he driver of a f1ij *s /d2u1kp9edzxcar makes an emergency stop by slamming on the car's brakes and skidding tji 1u k29p1dx/d*f eszo a stop. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an a -9 6yz9,z3 tmksppp-qztp4vaf -* sflutomobile must carefully control each of the following devices. Which of these devices can caus*fzzl ,mtp3-fy pq64stp-k9vp -9sa ze 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 reg0 h;qd:tnmzz/2+w: lx, ljcocket 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 36 m/s near the surface of cn:q 2zwl;0:ld+zmtj h ex/ ,gthe Earth at takeoff?

  07.21: A box slides to the right across a horizontal floor. A person called Tedu7 zgi++;,o+ed lhgz h exerts a force T to the right on the box. A p ,g o++h zdile;gz+7uherson 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 roller0wwqg i 22yo:w coaster tracks of equal length. Assume thaywg 2owq wi2:0t on 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 be traveling the fastest at the finish?

  02.28: The diagram below shows three roller coaster tracks of equal lelv jtdqi ,yepobqhp f(5+ f08c+t9.6nngth. Assume that on all tracks tbn oq(5pqt,6pte0 +v.+ h9lcfi jfd8 yhe 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 frictionlesslqmk5 +y f,*+njg1b tej8sxu+qy along the curved track from point A to point C un +8jk*nquetgq1+x 5 m jyf+sb,der 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 y4d5v.y;p 5mdpcdr nco5p6 a3 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 required to move the crate at a constant speed of 20 m/s as shown in the didp. o5yc4 ;dmyad55vn6r3ppcagram?

  04.40: A 6.0 kg block initially at rest i*u7 y:wcm5wnzs pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0 5yc:*zmww7 nu.30 while the 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 *euf.e3 3i wqvacross 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. Which of the following relations among the variousqie33w. *fvue force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is moving. 23xla /q4ut5 6g h7kdee9ati eWhich of the following statements concerning this situation is CORREC7 4 qieeg t3exu/9h 5a2kltda6T?

  06.15: A crate of toys remains at rest , :(isyhk ;x l3b5hjvn)3emb eq)vr e9on a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible()xy53beb,j)3vn hme:h q ;9vi ksr el for the crate’s increase in speedup the hill?