99.36: What happens to the inertia g t/5hs0m-e fiqlerm dt8j jhv4) /w1*of an object when its velocity is doubled?

  02.14: An intrinsic propeq oiv5gu(fr* 7mha-gf;)a,.n m 7qubfrty of matter is one that does not depend on the quantity of matter present. Which of the follo*quqvi)m far(-f, 7bnhg5f.7 mg;uaowing properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Ealhc uved+ui,tp1)v fe3 1;qt+ rth. Assume the Earth has mass q+fi hep) ,3vdc1utue+v l;t1 $5.98 \times 10^{24} \; kg$ 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 neh c:j.qheaah,-a8 ,/lr8 r mxaar the surface of the Earth. What is the magnitude of the gravitational forc,hr-j:a her8m8ha,/ .qcaxl ae acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for anb vw/9 /p.7lnwctly:m object’s velocity to increase while its acceleration dnvblww9 / /7 tp:l.cymecreases?

  00.11: A certain particle undergoes erratic motion(y3b-hxqaak kdn+w)x2wue .7. At every point in its motion, the direction of the particle’s momentum is ALWAYn 2 yqahk.bd-x)kw+a 7x u3(ewS

  17.14: A block is suspended in the air at the end of a string h 0 ;n)v9ohsv8:x dumizeld 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 blocdxonvvs)0i8u9; zh: mk?

  07.18: In which one of the following 9:9ih b 9elmb2b6xzplsituations is the net force constantly zero on the objecl99 be: zbm62iplhb9xt?

  13.28: An object is in free fall close to the ground. A person i+p j/a :b -+f.gugtm)*ecclkintervenes 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 j:-g.tufp)c*a k i/ ++cgmelb 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 50 ra k50weogk;4*zlkx5o3 (ytk N, and F3 of 70 N, acting on it. 5lg wr(o;*k akztx4y5ke0ko 3 The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine lcj*mx dn/ ,u19m- giwto form a resucu,im jlwd 9*n1m/x- gltant with a magnitude of which of the following

  10.06: Which of the following sta0;t q5ixnrvek7 m( zj5mqxd, 9tements is most closely associated with Newton’s Third Law of Motion,rzmt0d( mqvj xx 95k7n 5qie;?

  95.06: The reaction force does not cancel theef3o vc6m 67-zizjw ;j action force because:

  14.14: A box rests on the floor of an elevator. The elevatn90d.:p ilf vdor is accelerating upward. Which one of the following choic pd. ifl:nv9d0es best represents the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with constant s:r2ww 8 kd(ni-h p+l,+bksl /9ie goempeed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver durinid,bhs/knp+ omki8 : w(l+le9wr2e- gg the fall?

  06.08: A baseball is thrown by a pit4ad b )h6zuwape433jaghbx0* cher with a speed of 35 m/s. The batterswings and hits the ball. The magnituabda)hpg uz4x36hw4ja e0 3* bde of the force that the ball exerts on the bat is always

  11.13: A physics book sits rl7r4kz( wg 88dkpq- gat rest on a table. On top of the book is a calculator, also at rest. Which one of the following choices is ther4lk- r q7zdpw8g kg8( 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 lab c9x.hykt;:2e k+us4 ncih jht*onducting 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 st k*y :2kt nj.h t49iscx;uhe+hudents make?

  99.03: If the net force on an objenh hbro.w(98wct were doubled while at the same time the mass of the object was halved,then 9b 8( hwwn.horthe acceleration of the object is

  96.15: A car whose mass is 1500 kg x-6 p o6**m4qrahqto4r vdkt 1is accelerated uniformly from rest to a speed of 20 m/s in 10s ov1hqro4rpt6m*4 t-aqkx *6 d. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The mj,t a dd6 bwx rly3x,r)t9c vanru3.06ass of the trailer is 4 times the mass of the tractor. If the tractor accelec.b yn 93tuax 3rjrwd6 0v6),taldx,rrates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why large txmcze-3*d h9ao1nixu7b5ar (*lwt z8pte /1zractor-trailer trucks generally accelerate-lto/1a 9ed(h7zb3 r 8uwp m 1aczen*t5zxx*i much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a fricti-rrl;o p0ipdfk f(mcqc1 5:i* onless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes the subseorir1p*i:q -0f(d ; f clc5mpkquent motion?

  00.13: An object near the surface of the earth with axd6d0nz2 2e3egvzt o1 weight of 100 newtons is accelerated at ne0od2 d6g3v1xtez2 z $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose m 86-*meopthkt chg90d ass is 1200 kg is accelerated from rest by a constant force of 2400 N. What is the speed of the car 8.0 s aftetc 8dph-6g em*t90hkor beginning?

  98.32: A 3.0-kg block with initial speed chya;l6fexqi 01x8 +t4.0 m/s slides across a rough horizontal floor before coming to rest. The frictional force acting on the block is 3.0 N. Hoxh8 ;til1eyf6qac x0+w far does the block slide before coming to rest?

  95.38: A block with initial velocity 4.0 m/s slides 8 0l2avv*kevs n-bz3 o(.0 m across a rough horizontal floor before coming to rest. The coefficient of onks v3b2-vv0ea*( lzfriction is:

  09.21: A 20.0 kg box remainszu(oi.- lq/yg 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 friction between the box (oguz - /.qyliand 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 -pwsqz t fb 0r.c4n 5jt,p;op k0,nkw*:rokb;on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following choices best represents thewz0r ptktkpc;noqb norbwj,s-fk *.4 ;05,p: coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m gs8 u wpeakl8r0yd mia-88(a8 slides across 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 tiresus8ly ma -8dwi8(re 8g 8akp0a 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 wipby eqwh40 v;jblz;pu4t,w ).qh q) oye/*m 7zth its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinephm0qj b,t7)wze.bquzyq ;; le*)yv/h4 4wpotic 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 by slamming o(3qillh )xr+o + fb:cwn the car's brakes and skidding (fhx +r:w+cbqol) l3ito 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 thn.j: 2pd dy3ro(gc dd(2w0 ap jst(w,de following devices. Which of these devices can2 c(dysdr2tjddw(ppd(ao3g:j ,.w0n 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 wei32d;/a omw2mvvq/3z/edea l-0rvz m jght of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’av3m2ev qwm3zl//evoz a-d / 2r;d0j m speed from 12 m/s to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides anr+: d1zpc2k to the right 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 that there is friction f and the box accelerates to the right, rp+dk2 z n:rca1ank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows three roller coa)5/c5vk5qba6 lgv wojster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same eql ocb 5jk)v565agw/ vlevation 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 beloj+q5 ve8ov4ajjo x 5kp3cm*l1w shows three roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at345xq j o8m+a lv1pecjvo5*jk 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 frictlae,;7yw* scw ionlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's acceleratioyl, c;w 7ew*san at point

  02.40: A box with a mass of 50 kg is dragged across the floor by a z m6uekqwx3a(nds.g( u2y (3nrope 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 con2q(es.6a xkz3 (3dwyuunn (g mstant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed against a wall by a 1e1y/*nt nfi*bmbu,ts x qr0 70.e s-oi00 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static friction is 0.50. What is true of the.tnqbnf*e1rx esmo0i bi0s-, /y7tu* friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower khqr8; t hrqde5,zdk0 i/r 1lo0+0yl racross 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 magk0ot0q d lyh 1drlkqh r+i5z0e8;r ,/rnitudes 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 jr6- hz+rb2 umis moving. Which of the fj6mr z hb-2r+uollowing statements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as t9g t10zmrlteu5p 7,kuhe 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 sp0t9mk 17pe gtz,ulur5eedup the hill?