99.36: What happens to the inertia of an object when its velocity is doublez8 hcf6pknc1s h/76 vpd?

  02.14: An intrinsic prope;;ovv /2 6kbdstw6qqx rty of matter is one that does not depend on the quantity of matter/ kw;bvo; tvsqx26 qd6 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 Eart,ftcv)ik5 ) u3im- mznbh/a8dh has ma,-nv u)5 )mhdi3atcizfb8mk/ ss $5.98 \times 10^{24} \; kg$ 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 sphern2xvg+ 5ee rf7r06rzw wd1 s(se is in free fall near the surface of the Earth. What is the magnitude of the gravitational force acting on the ear0e6z1r2wsgf rnes5rd+(v xw 7 th by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increau9b6 :0o6 tyln3 ,h6 fggit 2qte2kexese while its acceleration decrease,9e6be6t e 2gt t0h:iqxluonyk6f 32 gs?

  00.11: A certain particle undergoes erratic motion. At eve-hpril zu ;xif4w1k o:(sc0 uoyr .s79ry point in its motion, the direction ofupior1fzux hk( 0 i-w4:so97 ;sl.cry the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a string held by a 3- 3bwxve )s /xdrpn:pperson. The person pulls on the string uniformly acceleratiewp)xn :- dr/b 33xpvsng 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;:m.ubm;wrgk m /gr *s the following situations is the net force constantly zero on the ob u ./*; gmwsrbk;:mrmgject?

  13.28: An object is in free fall close to the ground. A -4ms v 9;) ql7l(ocs,egdylowperson 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 stopped by the person? The magnitude of the object’smdcs;s,)vo g-7(le o qy lwl49 acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces,nb b1w)3j0y+nz: dxdd F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting oy+xj zn0dnw 1dd:b3b )n it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combp83un-dakg 8g9ytjl,o ur .e 3ine to form a resultant with a magn,u9upat8d k8l- 3og 3yng .rejitude of which of the following

  10.06: Which of the b8;2xi1q8o yqlm + djjfollowing statements is most closely associated with Newton’s Thi8y8;q21x bqij+mlj dord Law of Motion?

  95.06: The reaction force does not cac7i-p 0m abe9uncel the action force because:

  14.14: A box rests on the fls ,k h-nzd, o: unekoi-+lr98oxv*z.toor of an elevator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to ti nkor*hzko.9e dzlv so,x-:-,+ tun8he gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with constant speed. Which resn/7hw5r xr nk5g9;one of the following choices correcgr/n h ;5s7xrke 9r5wntly 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. The battersw++.o)rlo m eq9 6vmvpwings and hits the ball. The m+ vpro)em. q69 +lvwomagnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at rest ssqh0 11/dp ,hvfe ,gnon a table. 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 exerts on the /np0fhd ves1g h1,qs ,book?

  05.06: The students in a Physics I class w x:*lw0u6 5dcrvoz aklk085uoere in lab conducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the rightl c5d8x6zl0*:0v5kow urak ou. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were d,dz9 ke b7yfvao8c 4se -/jaf0oubled while at the same time the mass of the object was halved,then the seykob,zff79ca4 /0d ve8 a-jacceleration of the object is

  96.15: A car whose mass is 1500 )xwxo jfab6ia1 +6z pw/an 9t*kg is accelerated uniformly from rest to a speed ofzb o16pxt6xwi /+*fa9a a) njw 20 m/s in 10s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass of the tra eubr bk/lo,9 y8t5rf7iler is 4 times the mass of the tractor. If the tractor accelerates forwark8ter/,lubf9 7b5 yord, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why l0cn+x2b(lz s79 y/ef4rjhmx farge tractor-trailer trucks generally accelerate much more slowly that automobiles?97mzcrf+ b n jsh/f2xyl(ex04

  99.19: A 50 kilogram skater at6+n ec0cr zh ;nn1ob3i rest on a frictionless rink throws a 2 kilogram ball, giving the ball a velocity of3;e +r1h0bonnz nicc6 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weiz5jvs/ c89q0 du dns8-p1izllght of 100 newtons is acceler8/8-1l0v9p lzszs5 nujidc dqated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is /( 4ozka5pd(a c*svmraccelerated from rest by a constant force of 2400 N. What is the speed of the car 8.0 s after beginn(pkaa drsmoz* vc(5/ 4ing?

  98.32: A 3.0-kg block with initiz81-/m- rk +n iwqsegf 5cz6vaf)w(tral speed 4.0 m/s slides across a rough horizontal floor before m/ceir5t (1f-8wa f +k6wr z)vz-gsqncoming to rest. 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 velocitwpnm6a1y:)x6fx 7-t sdzp8 p ny 4.0 m/s slides 8.0 m across a rough horizontal flooyn61pdx mp )nz8f7-ps:w6 atxr before coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at .q*p2 mh j2 ;8lz b*bdzmrc masaf46jfy+4aa; 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 and the surb*jfl fm*h;j2p4 a.qy+c 2 ;a zzmd ars4mba68face 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 o5x ;5( t9x.icmgz0ee q,p2oxdumg 1msn a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following choices best represents the omtdp1zce i. gsx ueg2;(m9q0 x5,mx 5coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a patch of ic:aquv.1jv nd5g2iyn 3 e at a speed v with its brakes locked. It tv g nuanjv:i.13q 25dyhen 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 acr) 3/j)vhbqs lsoss a patch of ice at a speed v with its brakes locked. It then h)/v j)s3 hqsblits 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 speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emergencyfq6s;hr14mi 4 eba,gi wx6 ib9 stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it had been travelin q;r1xmi4s6 9 b,gwhb e6i4ifag twice as fast?

  99.39: The driver of an aut/9 u 9aoi6,uviw) hdvyomobile must carefully control each of the following devv9dioy/ wv u h)6,ua9iices. Which of these 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 of 15000 newtons is 24000 newton ;gsvhwyu29+t s. About how much time is needed to incre9+ th;2vgysuwase the rocket ’ 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 horizontal floor. A1c 7ym 2b9hnd,qw :5gk fakyu6 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 tod 9 y :bf5k6ncuaq,2kwg7 hm1y the right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal l2imom,3i7w mfength. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tra mii 7fw,23ommcks 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 coasterb*z*a+tgus 5p*uv fd keg9(i 0 tracks of equal length. Assume that on aup*eb*u0 d tsk *z g5+fvaig(9ll 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 reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictionlesj:wg-w5h4 a *j9qzik epd90qp sly along the curved track from point A to point C under the inflzeh:w4 q5iqjjw p p*90da 9gk-uence 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 droyba1aov54 g- agged 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 crat5o1-g aayv4bo e at a constant 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 a+ijzhd*9a18j i/ l39nsdjclby a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the /+liaj*z9dlji 39jhca d1 8sn 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 yp s.f7+)p z9kfyq3tg 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 neces+ y )p.qzy9pkgt 37ffssarily 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 t1vd pu 9i wb,t eo6*/h4w8cknphe following statements concerning this situatio9p,c 4uht vin /d6e8w1k*ow bpn is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the rjn * yofh558;p 8lzbwld8:bcsleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible fodf;: 58ylhjno*rcpb5lzbw88 r the crate’s increase in speedup the hill?