99.36: What happens to the tdd vd3 12u(9meyz)eeyp e+j4inertia of an object when its velocity is doubled?

  02.14: An intrinsic property of matter is one tbngx/4qee- 59x5sx y;u i.jf what does not depend on the quantity of matter present. Which of the following properties is NOT5exfy;e-w5i ng /qx9s .jxbu4 an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assum3p 0e6a xt/on.0g jdrx;qw90hex tl-me the Earth has mass 0h 6 .lp0x mj e/;w-xo 3ttqgarn9xd0e$5.98 \times 10^{24} \; kg$ 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 surface of th s+ )/,mnrm kwyd4ph3)xj6k cye Earth. What is the magnity4h+nwd) m smk,pj/ 6kr) cy3xude of the gravitational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while ces+vzbwa1kw 9evgs):2 q .fj,; .0uu(oh ucyits acceleration d0,s(9bgzhf.c)c.o v: w+weuu jvk21 esq;yauecreases?

  00.11: A certain particle und lguwi9; iih/gxz:e2.ergoes erratic motion. At every point in its motion, the;z: uiielhgg2w.x 9/i direction of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the ai vr:;go)in3jr r 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 blo gjrn )o3vr:;ick?

  07.18: In which one of the folf),-pm7 *l b(vod ii(whklh 9hlowing situations is the net force constantly zero on the objlhhhp (9dwl)*ovb,m7 ki- fi( ect?

  13.28: An object is in free fall close to the ground. A persdn xep,i*r;0 hon 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 bx;pd n,i *reh0y 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, epi,27t ,jeb (ta.o7offl58i w3nesrF1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant ofF1 an5.tl fi e, 8nea sb3ojp7te72(iw,ford F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to form a 4-v/-cvs2m0raq ngt iresultant with a magnitude of 2stmvi-q-n/ g0r vca 4which of the following

  10.06: Which of the following statements is most closely associated withhi/k fa,dywhxi 0 569w Newton’sdyf/i x5,9ih a0hwk 6w Third Law of Motion?

  95.06: The reaction force does not cae*x2a8;w sb.xdjz(vgncel the action force because:

  14.14: A box rests on the floor of an elevator. The elevayje 5-e2l;uvch l(*l utor is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gruhleuc ;(2v le*-jy 5lavitational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with co1( 7/yrnk ydajnstant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver during the fayk1/a ndyr 7(jll?

  06.08: A baseball is thrown bynrepj:k7dw03 a pitcher with a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on thj7pdrn0:e3 w ke bat is always

  11.13: A physics book sits at rest on a table. c(tb 1bea,9:zp x+x q/s.scwzOn top of the book is a calculator,,qc( eps.x/z t czbba+s:w19x 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 book?

  05.06: The students in a Physics I /jv3oi d*nu)3okv1 puw3 x/hoclass were in lab conducting an experiment related to N*3vw/up3oo/ui 31 ox )j khnvdewton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doubled r9c ,re,a2grcm,w*4rzv pv u(while at the same time the mass of the object was halved,then the(mvrwrarc,pu r 4vcge*, ,z92 acceleration of the object is

  96.15: A car whose mass is cqh r t+8 6gglw(7:axk1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating the6k+7 lghcrat :g(8 xqw car is:

  99.05: A tractor-tra (9tnrolyvu, (iler truck is traveling down the road. The mass of the trailer is 4 times the mass of the tractor. If u y(r,oln9(vt the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following prinva7wn- zko*hsn1r, op9nxp4 h -ys03nciples best explains why large tractor-trailer trucks generally accelerate much more slowly that automobiles? orapz7v1snn4wpk h0s-no*x nh 9y3-,

  99.19: A 50 kilogram skated-iz*to9 mf dmdt2n4)r at rest on a frictionless rink throws a 2 kilogram ball, m md n*4diftzd)2-9 otgiving the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near t,5jtka;j;nr* )xfo omhe surface of the earth with a weight of 100 newtons is accele;o*)am jr5okj; nt f,xrated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated from rest by a constanr2l gcap a/yvh2/)c;v t force /p/ycg );la2v r hav2cof 2400 N. What 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 slides across a rough g+lbn e je2-(ghorizontal floor beegbg+jnl2- (efore coming 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 velocity 4.0 m/s slides 8.0 m across a rough ho eks7mo 29)adsfig-) krizontal floor before coming to resdkg)f km-io92es 7a)st. The coefficient of friction is:

  09.21: A 20.0 kg box remai7oswqapy a+52 e(qf,u::bkgp .m f-ayj 9nyc.ns at rest on a horizontal surface while a person pushes directly to the right on the box with a - nyecya(fa5gk. ysa+:bu :m7.q ,wp j9pqf2oforce of 60N. The coefficient of kinetic friction 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/hm c9 av fcl9,a2obo3p(ahcovu7, +z-s accelerates uniformly 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 friction betweo 9o2 pc,a9za +(a3, l7omvhcbhfuc- ven the surface and the block?

  00.21: A car of mass m slides across a patch of ice at a speed v with its brazb5y/e8r)i3j y v4;frx rw5ie kes 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 μ i/)4rbfv 3xije8weryz ;yr 55.
If the car had a mass of 2m, it would have skidded a distance of

  00.22: A car of mass m slides-ea m pwj6kb7d(t*i( hi;h ld4 across a patch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stih((btd4k* mhpeijd- ;a lw6 7op 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 ca*uylers8-(,alzc cioc1hs c k 6e685mr makes an emergency stop by slamming on the car's brakes and skidding to a stop. How far would the cary8ocmaui6 c 8 czl6sk(-5le*rsec1 h, have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of the following v,-6txrlha+ j2ssn w9devices. Which of these device hxr2-lw 9+,s6tvs ajns can cause an acceleration in a moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net forcecinc v4mowa) 1:w(+wkc;dev(7z /b ew on a rocket with a weight of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ speede(d4e7 ) kw;n( 1ai cocw/zwwbcm+ v:v 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. A person calledo4bzuwvi85 7f: l: zoo 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. Giozl uv8:zb7o 4:oi w5fven 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 roller coaster tracks of0 i4p a+uv*fpz equal length. Assume that on all tracks the roller coaster carts start from rest at the same elezapu *0 +fvp4ivation 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 b*oghb65h2c z roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves fhobzg*2 c5 h6brictionlessly 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 frict/6 2 quz8zgm zhif:5ocionlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's acceleration ag8uiz 2zfc: q 5hoz/m6t point

  02.40: A box with a mass of 50 k* we *(j.nter4vhy 3log 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 const4 e woln.yv3t*jre(h *ant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed against a wave*m4 ;8cmo axll by a 100 N force as shown. Thecoefficient of kinetic friction is maxo 4c*e8;mv0.30 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 patcv+yyliz.b b04 .2(7ccjf9a9 hu uocvph 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 ofuzj9oc2cpylcf.h ya9u+ vb.7(4 biv0 the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against 5 *kqzpp38tvwgv5 5rm a crate on a table. Neither is moving. Which of the following statements concerning this si5*w pmtp3 rvg qv5k85ztuation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pulled up a e,d66t:r itwmhill with an inctt ,:6w 6drmiereasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?