99.36: What happens to the inerttt 1j(--oji0)6 ayi+k csowzbia of an object when its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not depend otld-l9s4 rcy ; br3qsv+ qusuhn*(6.jn the quantity of matter present. Which of the follo*64s jr9udryshstv. (+ -ql u3lcnbq;wing properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume m f8xo*stzz:8d( to (uthe Earth has ma:xfzsm( td8u*ot 8o (zss $5.98 \times 10^{24} \; kg$ 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 n for4 og6v6nm1)p13ivxuz2dyj. yo6 o ear the surface of the Earth. What is the magnitude of the gravitational force 6jmdv3 no v)o zy o6g14 xo1fuiy6rp2.acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an 2i 6n htawxhy p6f8ne/q 4n7zn h(uf8a0z 7e;hobject’s velocity to increase while its acceleration dt 2;ha(x fehey87nz7 n/ 6 n fqwh0nz4ha6ipu8ecreases?

  00.11: A certain particle uap+q (clh-t9c ndergoes erratic motion. At every point in its motion, thq+ t9hpc(ca -le direction of the particle’s momentum is ALWAYS

  17.14: A block is susp;;6 fkqc xdku6ended in the air 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 the following choices correctly identifies the Newton’s Third Law pair force to the force of the string on the xq6d; u6f;k ckblock?

  07.18: In which one of the following situati+e3 0i7d qwdxyons is the net force constantly zero on the objecxd37eq 0+ diywt?

  13.28: An object is in free fal9s4:7sk lt-yl eeqj 0fl close to the ground. A person intervenes and slows the 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 sqe:9j07 sletl y4sk-ftopped 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,y/ umr:bedv.z 2bjr(, F2 of 50 N, and F3 of 70 N, acting on itey 2(bm:,b zrdvr .uj/. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 )hzurkoj70 *znewtons can be combine to form a resultant with a m ku 7z)*jh0rozagnitude of which of the following

  10.06: Which of the following statements is most closelri* 8wpr2,e(k0p;j l6av jtei y associated with Newton’slj* ire(ewpip0 vjat k68,2 r; Third Law of Motion?

  95.06: The reaction fo-jwdz+4k t j(30rzmjsrce does not cancel the action force because:

  14.14: A box rests on the floor of an b susqmzlt5nkj 6p7jc*m b t+6kq(,y d+g16g(elevator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on +q n66s(k65bbgjjz1 ml (, spuqd+gkm* tyt7cthe box by the Earth?

  15.15: A skydiver falls downward j* 6)o qjw +)jaruac:tthrough the air with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to th*q)uc) 6w:jaajt jr+oe air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35iam: d5p 41mqpe1r. ewx1ah(;hrxrv 6 m/s. The batterswings andxr6am51meq(1r:r piv d.ha1 xe w h;p4 hits 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 the book is a calculadnv) n acl7-/-:dnsh ztor, also at rest. Which one of the following choices is the Newton’s Third Law pair force to the force that/)ahs7: nnd-ndvl c- z the table exerts on the book?

  05.06: The students in a Physics I class were inl( z8 z7n*b;ypsrznk/ 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 students m/ 7pns z8(zkr z*b;ylnake?

  99.03: If the net force on an object were doubled while at the same*v.5a qm dd7xkyte5qfwk6i3y 5oh 3 jl,z+h5u time the masd ,+yx5ey k5.5ti33hvf k d75w *j qhoz6qluams of the object was halved,then the acceleration of the object is

  96.15: A car whose mass is 15004w fqr+u1 sc:z6wue,z *3xb rl kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating 6zruexb 3l*rzu4,cqfw+:ws 1the car is:

  99.05: A tractor-trailer truck is traveling down the rqaxjb6w wu9/8obyd6 i stq9,vh: ho68wd8mr.oad. The mass of the trailer is 4 times the mass of the tractor. If the tracds.6,oh89ad xt o hju yv8r86/b 6m9 wqwbiw:qtor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best exglbmpw -y2 v; kth27*uyhf)* 3)lpiz fplains why large tractor-trailer tu2z byl7wfy f)hpgvh ;-l)*i3*2tp mkrucks generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throwbw2/s4b;oh og0v +;*vdfz*jfi ms dj(s a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement desc/ wbb j;2do*+siv*(sd;ofz4fg m vj0hribes the subsequent motion?

  00.13: An object near the surface of the earth with a iw.+7gl qpv n3cznz9/weight of 100 newtons is accelerategw z7n n./zqcp93i+ lvd at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass isls0sqaz2 mq4s0 yh3rt 2v8 ib. 1200 kg is accelerated from rest by a constant force of 240isbr20h8zalm 2 q t0 .ssyqv430 N. What is the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with inrkhm)e7jm c7 +5mz9c pitial speed 4.0 m/s slides across a rough horizontal floor before coming to rest j5c)mzekm79p 7m+r hc. 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/rinhy7tn+d3.f6pv ( 2y yk0 qts slides 8.0 m across a rough horizontal floor before coming to rest. Td(r n0 pyy2y.ft+t i 3qvn67hkhe coefficient of friction is:

  09.21: A 20.0 kg box remains at r7xgxbv , m+,) ehwq se5b7jvp:est on a horizontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction betwebsbe xpxhv 5,e,7gqvm):jw+7en 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 rest on a h8cf /t,hxqrdgx6s5.vh6 k;e norizontal surface. The block travels a distance of xkcx8,;f/shgqe.r56vh6 t nd 12.0 m during the slide. Which one of the following choices 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 5qrpa9 dfczs+)tgn 15 its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the)rgqtn 9 pf51+c5s zad 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 iegbkzl 05jx rr1:4c76*e;avt oi 5xkqce 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 ti60r4;kit bec7l:rx azq55kv*j o x1geres 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 emergeg0 sqn0 vq0 *ls:/gr,x(pmemincy stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it had been traveling tw q 0xmig, (:qe00rpgvm*sn /lsice as fast?

  99.39: The driver of an automobile must carefuld n+6 q auw-hyxlct)br:z9 p:2ly control each of the following devices. Which of these devices can cause an acceleration in a:dbtlqzyr9caw2 : hu6-pxn)+ 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 newtoi4rmht3f/w4 +t0yfoqns is 24000 newtons. About how much time is needed to increase the rot403r+w yqt4 im/offh cket ’ 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 horizontabm wd0vn9f b:4+0pwqj l 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 that there is friction f and the box accelerates to the right, rank the sizes of these three forces ex0m:bwwp 49d0qjfn +vb erted on the box.

  02.27: The diagram below shows three roller coaster tracks of il, ys*a ficwr4 4m*r,equal length. Assume that on all tracks the rolcmsi r *lf44a,,iywr*ler 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. As;0 gxe :zz,*zh4q upadsume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the4d e:*;qhzp au0, zxgz 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 al+naqjnp)+pix)r 3p 5e ong the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's accelexp ejr)) 3i+ 5npq+napration at point

  02.40: A box with a mass of 50 kgzfg/x;,-tnp,jf7q )hb iow .q 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 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 thgbqf-f ;opt,j h7ix / q,)zn.we diagram?

  04.40: A 6.0 kg block initn rq*vb7;etb f(na 8kw0 58gyaially at rest is pushed against a wall by a 100 N force as shown. Thecoefficient of kr5y8;t a*qaknewgv 8b7 n(0bfinetic 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 grassvsr ; 5ntacvl3 ;ipc/2 with a constant speed by applying a force P. The arrows in the diagram correctly indicate the directions but n;ari3c 2 ;nc/tl5vspv ot 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 ,nb0hac0i7 czu( ve-pq8pj ze0k5 -qd against a crate on a table. Neither is moving. Which of the following statements concerninqpjda-n -vz0bhq,ec0(0pi c7eu k5z 8g this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is q2,1c4apohye v:qri 1pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increaq e:,h c1aq41ovirpy 2se in speedup the hill?