99.36: What happens to the inertia of an object when its f, llzx;c/4jrx g+fxhf. ( 8mnvelocity is doubled?

  02.14: An intrinsic property of matter is one that does not depend on the qua)wykks hh0f8z g7-( wintity of matter present. Which of the following properties iss)7 z y80ikhkgh(ww-f NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth-co-o npqs-y2. Assume the Earth has m-2 -cpnyqsoo-ass $5.98 \times 10^{24} \; kg$ 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 the--p b xs5lup9m0xm+eo Earth. What is the magnitx-upl xpm -s+bm0o9 e5ude 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 obje/6miawb2.fr x6 f5g ue1kpci 9ct’s velocity to increase while its acceleration d2iwpifb/ mer .xu65 cfga196kecreases?

  00.11: A certain particle undergoes erratic motione 84o; rs2cez9t(e anf. At every point in its motion, the direction of the particle’s momentter49o;eszce2 n(fa 8 um is ALWAYS

  17.14: A block is suspended in br ddmo:x 5)ta1/q:gjthe 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 fo:1d/q) mobd:5 taxgjrrce of the string on the block?

  07.18: In which one of the following situations is the net fo mgwe- zcg8z.1p cj.b7oh)5 ju,5ptb trce constantly zero on thewc8tu g.7h.b-bz1pjepm 5o)c5zg j t, object?

  13.28: An object is in free fall close to a()fpl 4sjdc1ro 0)5c1cn q2 lzzgl+jthe ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements ()jj1lz14oc pn rac02cldfz) +ql 5gsmust 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 -0/j 0rib0kh fnbfrc .m6*ovgequilibrium has three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant of0k c0b-*./rgbh jn6irof0vmf F1 and F2 is

  01.07: A force of 6 Newtonsla-kz70f.tb e f1)whsr08a): hw2ve dovebn1 and a force of 10 newtons can be combine to form a resultant with a magnins7ev1drvfzl2)e8tk 0we1h.a abw- o ):0 hbf tude of which of the following

  10.06: Which of the following statements is mom)s(2,+ nnp0:szr1er qd yk flst closely associated with Newton’s Third Law of Motioq m)n:k( 1z nrs2 p+0e,fldsyrn?

  95.06: The reaction force does not cancel the af42 nv r ide e+-mspcai77p5wf g-w1t0ction force because:

  14.14: A box rests on the floor of an ele k. cdwy 7b;4ak9lw0jkvator. The elevator is accelerating upward. Which one of the following choices best represents the Newc 7w0.kbj4w9dk; y lakton’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 conspr : sk3b+)ntcvyzi87 tant speed. Which one of the following choices correctly describes the Newton’si y) sc+ zr7:tp3bnk8v 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 batzky, bn sx7rq*m :/fb(terswings and ,z7 byr*nx:qfb( /smkhits the ball. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at resi3g gvbp0j73 13 rblbrt on 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 exerbpj v i30glr 31bbrg37ts on the book?

  05.06: The students in a Physics I : 5:mw4cnhd 2 mcwxs b-o:d4vct r9g9tclass were in lab conducting an experiment related to Newton's Second Law. The collected data were displayed on t rmocs9cmd4c vg5x:b2nd: -4h9tw:twhe graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net forc1 x.o;;wsknlilhoy .1 e on an object were doubled while at the same time the mass of the object was halved,then the acceleration of the obje;n xwh 1sk;l .oi.lyo1ct is

  96.15: A car whose mass iu:ex-oqp 7o m6s 1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating thm7o pe6x oqu:-e car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass of k ja0s1-xfg8qthe trailer is 4 times the mass oqgas0 x8fk- 1jf the tractor. If the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why large tractor-traile79f3- 44mrf9xpnsv2 as 9dyay ae)nvw+k xqu0 r trucks generally accelerate x vwa4qrf9mu-9sva knf2 d 9py 7s)e n3xy+0a4much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a flwu m4xn2. /,gnc8n harictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10ngn mn cl,4a h.w/u28x.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth sw-5rs ,euf 8 myl3ae8 ut19zuwith a weight of 100 newtons is acceler3w f eu8rlzm5 u-es9us1 8,aytated 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 const9 -r0kq8ezxxec cljvxd rf(4-0d 93qgant force of 2400 zldxqf-0( r099-cjrx eg 38xk 4 qedcvN. 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 horizo 7,zkgl2yf2hl6 fom -onta kzfyh l6 72f-gloo2,ml floor before 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 abnz37myya/4pv u+w7.z*f n p r rough horizontal floor before rb* .py/un +4zya3 mz wv7pfn7coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface8n/z id m.2sgr 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 surface is g./zr2 i8sndm$\mu_k$ = 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 r4z;y2b; tjxb oest on a horizontal surface. The block travels a distance of 12.0 m ybb;o ;z4jxt2 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 f+q :o 0uf e5vtn:/deta speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction be+t fn/dev5 0fo:u qt:etween 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 sh3 u ll;a0yl)plides across a patch of ice at a speed v with its brakes locked. It then hits dry pavement and slu3ll ;)0hap ykids 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 emergency s hv7*7cl; bm+big jyy2top by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it +7m hyb*ci y7b;vgjl2had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control eacpvhc ;0-q*eyf h of the following devices. Which of these devices can cause an acceleration in a y*c-hv qf0e ;pmoving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a weight 0euwv+;v md95buk a.z7r+sh g of 15000 newtons is 24000 newtons. About how much time is d .kh9muuv+w0zsv ;+ b5a r7geneeded to increase 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 horizontatwht 2k9g dc+,h a(2nwl 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 la2 n9 cahht(wdg k,2t+wrge as the force T. Given 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 thre/whyn +-gb9qwl,41hx c xgn gob+wk 6kp89t+ge roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts starg1h,whckx9wb +-8n wqb+y g/g g4klo9x6+ptnt 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 shi zbsoc;;dg l, ql c:m((-4lqrows three roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks ;d;4 -scqo(zr,i:gl( mc bqllto 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 fri3lv+)hf7c ig fd.oe2)2jrkbnctionlessly along the curved track from point A to point C under the influence of gravity. What would bvkn )f32cjhr 27bl df.)igo+ee the direction of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across t wjfuvhk,rsnj,oyx1t h- 4 i99l/15(pwlpo y+he floor by a rope which makes an angle of 300 with the horizontal. Which of the following would be closest to the coefficient of khjjf4,trow(9+l pxv1n1y5 lu- /p 9,yok whsiinetic 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 the diagram?

  04.40: A 6.0 kg block 2z1hf nkuim9q49t l o0initially at rest is pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient khuln92m z 9o1fqi4 0tof 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 witm 24uulj zuol0-(akwwmf y3.1h a constant speed by applying a force P. The arrows in the diagram correctlyuw2 fm w.0jz4 -(ul3mkuo1aly 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. Neithe8t,: me2akk ;bf.0aaqs(y n(a w 1cralr is moving. Which of the foly;fq:k1.0na swae,2c mt (aba8klar( lowing statements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is8/y )6 lty 4o/mmwg+ xa2avcrw/ z1qa l7keiy( pulled up a hill with an incre2vyll/oc(g16 m+y8a // akia r7m tey)xqwwz4asing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?