99.36: What happens to thee js jtkko(7.) inertia of an object when its velocity is doubled?

  02.14: An intrinsic proper) ,vjz.jw h-ewax(h6 zmo ko52ty of matter is one that does not depend on the quantity of matter present. Which of the following propertie6xj(ewm a, 2hov z)5hjo zw.-ks is NOT an intrinsic property?

  04.16: A 20 kg boulder rests o7rj oavir: q.+*kqu jkz v0* 7prc.k.en the surface of the Earth. Assume the Earth has m *.v *7q.0zrv orukipj.7e:+cqk jrakass $5.98 \times 10^{24} \; kg$ 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 fk9a68ncmu;7iq fp-qdcb v * -vall near the surface of the Earth. What is the magnitude of the gravitational force acting on the earth by the sphere? The anv9q m7uk;fcqvc 8b--d6p* iEarth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its accen a 5v:ok3zfz5x,z *lwleration d,xwz va*n z53fk:5ozlecreases?

  00.11: A certain particle undergoes erraw73t4nm(vvi.rg ) jg atic motion. At every point in its motion, the direg v vit3jwgma7.)r4 n(ction of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a string held byc 7f8yq):,py fcx1scx 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 stcscfy7)f cp qy x1,:x8ring on the block?

  07.18: In which one of the fxw4)7dkus, 10 mc: qfkxqtz3following situations is the net force constantly zero on theq4 q)k07:t13swu,f zkf xdc xm object?

  13.28: An object is in free fall clsf :jlu 65xjt 8s0*gtvose to the ground. A person intervenes and slows the object uniformly to rest. Which one of the * j:ls v6gj5u0 ttsxf8following 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’s acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces1/;xum) 3iipp+obo qb, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant opo1iio+ 3)bxu ;pm/qbfF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to form rul)v1yc+mjw 7u8 mid* 3 9qlda resultant with a magnitude of whichmu3dv1d )jl9+iuy cm lw7r8* q of the following

  10.06: Which of the 1,qutiw)i jl;following statements is most closely associated with Newton’s 1;)jq uliti,w Third Law of Motion?

  95.06: The reaction force does not cancel 74wqwnq8l ma: the action force because:

  14.14: A box rests on the floor of an by9 axo(2h 16aizp+0oe-nwlt elevator. The elevator is accelerating upward. Which one of the following choices best reprezba-oe x1w i a2lp9hnoy06+(tsents 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 sp4t)9f6b3nv lb umha 1 ebnj63aeed. Which one of the folj9habm1nv f6tbla 4e)3 u3nb6 lowing choices correctly 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 speeotza, 2gq.o5es q(rh6 uudt7 ;d of 35 m/s. The batterswings and hits thhgd5.qasuzr2(qo ;ott7 e 6,ue ball. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at rel8;kt dz,vbpz 1*ya (nst on a table. On top of the book is a calculator, also at rest. Which bt d(1 ,z;yla*z8kvnpone 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 class were in lab conducting an +ff 5bzk cjr+y4 t0(cbexperiment related to Newton's Secondfbf+ z (kbc50jc+try4 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 while at the same time the 2ushw.6p:*o 8 huv zklmass of the object wao8z*sp 26l :u wkh.vuhs halved,then the acceleration of the object is

  96.15: A car whose massppw wvn q(.) 9s9jhy;r is 1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitud)spq ph;ny.jv (99r wwe of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The massvkeec(g /(8gibsf 3-w of the trailer is 4 times the mass of tcg3vsw8 -(f/eb e(kgihe tractor. If the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the followingflt t,nxjs3 vlw fe .3:f/wt) cy7:d5a9hqi6u principles best explains why large tractor-trailer trucks generally accelerate d.7f: wetc 3x ulh i twy5nt3jaq v/,sff96l):much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionles29 kyu3answl6s rink throws a 2 kilogram ball, g a9u6ywlks 2n3iving the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earvte3hoz,7w85 jh6 6w xwuhmy+ th with a weight of 100 newtons is accx hwveju+66o3wmh 8hw 7 t,5zyelerated 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 consteg) 4t- awt,7eoljf) uant force )guj4,-7a o tefew)tlof 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 + 7 ficwgbex9wf.j02pm/s slides across a rough horizontal floor before coming to rest. Ti ce27f9gf0w.pwj x+ bhe 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 mwg6gp(q0y tg ;sn)d 7e across a rough horizontal fl tqdgp)0sw6;gyge (n7oor before coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains atat :qd.tgn e5( 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 betwe tn.:5agtqed(en 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 uniformlya s 8(lz2-blliw+z, .;w0lcpufq8kid to rest on a horizontal surface. The bliz 8 su+8,cdw .l (20awq;zf liplb-klock travels a distance of 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 vi+1ig,9l dtxslides 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 9tld 1+,xi vgithe 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 patc 9ogi2a0 qa wf1.8x9bz cyify)h 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 tires and the dry road . 1b0yixfaw qoygz9ac8 29 f)iis μ .

If the car had a speed of 2v, it would have skidded a distance of

  04.32: he driver of a car mak(o9a: p67qx d7rurtkzes an emergency stop by slamming on the car's brakes and skidding to a stop. How far would the carda :6qo7r prkztu(9 x7 have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carnc aw/ mi6*gz7efully control each of the following devices. Which of these devices can cause an accelera7*cngwiz / 6amtion 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.:36j6wklzpfbz -r axfp4 -jz is 24000 newtons. About how muchjz.z6--bf4w6: kz papxf r lj3 time is needed 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 c95q2zu;h1r gzc + tivto 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, rank the sizes of these thr2q9; czr1i+5vhz tg cuee forces exerted on the box.

  02.27: The diagram belel 0c p-b2+*e ; xbhuc/rv8dzcow shows three roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at uch rbc;zp0 elbxv28+de*/- cthe 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. Assmr4r)y 25e-k lz 5gfrsume that on all tracks the roller coaster carts stargrz)e5 k m4y5frs2l-rt 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 frictionlessly alongttdfojx sc1 wa ab/ww7u7sv1o7 +3.qjv 1q;4x the curved track from point A to point C u3wwq7jota; j4qtv1 c+7saxv . bfuwo 17x /1sdnder the influence 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 draggedq0 wx8 a*:,skv4dqjha 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 new:xkas0vqa dj 4*qhw, 8ton 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 initially at rest is pushed against a wall by a 100 N fopqkawi*5y.*ti4ek5t rce as shown. Thecoefficient of kinetic friction is 0.30 while the coeffq5i wkt.*e 5 kytpa*i4icient 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 mowep87 ; dbgp:mo hw4moe*ne,y-hr across a horizontal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly indicat hdpo:*eg hb7m4w pn8;ome,-ye 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 tabl7omzfw0: 6gyae. Neither is moving. Which of the following sta:y0mw7g6zao ftements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pulled f6oqcr1w+vw i*hfs,/ up a hill with an increasing speed. The crate is not fastened down to the sleigh. What f1vw,hcq +6 *ofs/riwforce is responsible for the crate’s increase in speedup the hill?