99.36: What happens to the inertia of an object when its velocity is doubledu5 ;6ix dm3/gyqefk5h?

  02.14: An intrinsic property of matter is one that does not dependao56x jru -jdd31ybi) on the quantity of matter present. Which of the following properties is NOT an intrinsicj or5)ij 1dux6ay3-db property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume th1x/x nw:nkx va9o 5x8we Earth has mxox x:v/wk819x anw5nass $5.98 \times 10^{24} \; kg$ 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 surf-7 hhkbws/)fgvp,axx t a /:h)ace of the Earth. What is the magnitude ofhpax-/ khshw)/:x)7tgb afv, the gravitational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possibl/j .zn jy u(ptho(-8ble for an object’s velocity to increase while its accelerationjptl z/(-oju.8hyb n( decreases?

  00.11: A certain particle undergoes errazz,pa/- dz yky/ siz7jj:b n-:tic motion. At every point in its motion, the direction of the particle’s momentum is A-/aznj7zb isy/ z-y,zjdk: p:LWAYS

  17.14: A block is suspended in the air at the end of a stringf ux +lnjs)jsm k+(,3a held by a person. The person pulls on the stri3nxfsjs+)kj,+ (al mung 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 fozzhs 19 7yg;vfllowing situations is the net force constantly zero o;gh9z71f vsyz n the object?

  13.28: An object is in free fall close to the g 5pj b.+8q ej9 )5dc/nbwjjhpdround. A person intervenes and slows th5 / d)9ejjw+cpnpjd.bhjqb 85e 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 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, F2 of 50j e2:1ek 4o byoi.rru kdmr,a7dc6q0hao4t+ 5 N, and F3 of 70 N, actini e5eom4d7+h 6 rkd o1rq,uo20y:racatk.4bj g on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10;g7wl(up+ rrv newtons can be combine to form a resultant with a magnitude of which of the+l u7g(vr; pwr following

  10.06: Which of the following stateu2k) 7 1g+e*jusakn eagcdl6z.iyj, ,ments is most closely associated with Newton’s Third Law*k zeku ,jc6 nu+sad)gg7 1jl,y.eai2 of Motion?

  95.06: The reaction forrjqrpa nxbinm5(4 ..;qa6 5 gace does not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is accelerati1m6y t6 du((ij7anb7w jqtcswe;9z-gng 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 wm 1(7e 9j;un6a-gijq6ywdzs7 ( cbttthe Earth?

  15.15: A skydiver falls dolzmi)uw1 j *q7wnward through the air with constant speed. Which one of the following choices correctlyzm 7wi*j1)ulq 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 speed of 35 m/s. cbw3kv8 a c72k t/zedf;u)yff.a3o+ b The batterswings and hits the ball. The magnitudaf;. + vd7 b3ufcwe tybafk /co8k32z)e 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 calculawwj 3-mv l peqpz ksfb7365b20tor, also at rest. Which one of the following choices is t0j37b bzp3wl-k6wvm5qf sp2e he Newton’s 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 l+vqvwr 4ih2p) ab conducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclu )4whpiq+ rv2vsions can the students make?

  99.03: If the net force on an object were5gs,k 8kqq mh* doubled while at the same time the mass of the object was halved,then the acceleratm8kshgqk 5,q*ion of the object is

  96.15: A car whose mass is 1500 kg is a g5kn9mfzli5.: vxi7k/ ko*4 nand:t pccelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating the caz 5 * tkang.9nnm v7ifo4k :i5:dxlpk/r is:

  99.05: A tractor-trailer truck is travelingz 2ur3c;*- v zo(zhzhb down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, tzzv r2;ch(o3 z-u*zhbhe force that the trailer applies on the tractor is

  99.16: Which of the following prio6vn; dy +c7rltrc-(e (l g0asnciples best explains why large tractor-trailer trucks generally accelerate much more slowly that au;clvas -(+67rr t cygn e0l(dotomobiles?

  99.19: A 50 kilogram skater at rest o8k:r(fxotdr33 m ob0j/d7xiin a frictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/d xi xrj fooib8d3m0r7t/(3: ks. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth f(.y y;ngwx 6b0dwf. .dt ela1with a weight of 100 newtons is accelertfy (ly dne1x6.g wfb0wd. .;aated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated frzq4qp aj3 y,.jom rest by a constant force of 2400 N. Whatj aqyp4j.q,z3 is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slkfy99n) ke6kot 3 msu5ides across a rough horizontal floor before coming to rest. The fruf6on 99 m3)5ks tkyekictional 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 rough horizw(4h0:w9 i 2qckix4bu o1rnm jontal floor before coming to rest. The coefficient of friiqck1w04j rm9wbn uo(h: x4i2ction is:

  09.21: A 20.0 kg box remains at rest on a h qs d*o3xa-7,lv0tw )dgf x2ehorizontal 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 suxx 7*2f0qeh o -w l)dvgdt3s,arface 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 unifor 3u4byh+xkj+j mly 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 kinetic fru+k3x bj+hyj4iction between the surface and the block?

  00.21: A car of mass m slides across 0n+u 6w2bc sfjh)b7 6hz4-gd sslj13u.bwteh 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 is -zgb2bsheu6n 0 j6lwuc)h 3.w j7dsht 4sf1 b+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.xym2ybj3d 5jlv 4y+zeh) ) dx v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. Themh .yezjyv)x+ dblj 345)ydx2 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 makes an emergenjgg jt x k*bxd )knd ts8);ky4b*;fg1/wc6 z)fcy stop by slamming on the car's brakes and skiddincjkd gwk8j/*df1g)ty;4 x6) t f bg*; )zknbxsg 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 followix, 6deu.j b*hrng devices. Which of thes,eu6.dhr x*jbe 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 ovuwccu170pjjc j (m:ajh 0z, 5f 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 the Earth at ,: a c chj7j (uj1wv05pu0cjmztakeoff?

  07.21: A box slides to the right across a horizontal floor.;wiqks gz6 8e, 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. Givegwk8 6 i,s;eqzn 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 roll(9op+c dv9f vqer coaster tracks of equal length. Assume that on all tracks the roller coaster carts start fromv pfv+cq(9o9d 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 track;d( *jgd 4klvrs of equal length. Assume that on all tracks the roller coasgd( 4 jl*rvkd;ter 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 2(4gz(zdja,)hq hokj frictionlessly along the curved track from point A to point C under the influence of gravity. What would be the dizaj,(hozjk ( h) d4gq2rection of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is d,gf cj3mzwhgx:o -j.3 ragged 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 ropox czg:fgjhwj3.-m3 ,e 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 initiallyhn5prr ,iy*-5jj ywo( at rest is pushed against a wall by a 100 N force as shown. Thecoefficient of kin,(r5 rj-y hjpiw5 ny*oetic friction is 0.30 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 across a horizontal patch of grass withcc a95d bvsc4w v1lym22, kt uhbr;1k5 a constant speed by applying a force P. The arrows in the diagram correctl 2hcw9cc1 ay;ksm 14db5b5v rvulk,t2y indicate the directions but not necessarily 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 a table. Neither is moving. Which of the1txq98 h db3*z0jd knt following statements concernindhxtb3* 0tdjkqn18 9zg this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pulled ui0h.*wu ufet5p a hill with an increasing speuh u0f.ewi*t 5ed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?