99.36: What happens to the inertia of an object when its velocity is de3/sf9krx b6 goubled?

  02.14: An intrinsic property of matter is b nni)h5 c)3ep9k5gj zone that does not depend on the quantity of matter present. Which of the fonzn) 3hb e9jpk5)g5ic llowing properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the s;pf7 aj6h3jr zurface of the Earth. Assume the Earth has massf7rjah6zj3 ;p $5.98 \times 10^{24} \; kg$ 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 nev,b r09g dr,w5dtc4/av2 xc.mos vpc3ar the surface of the Earth. What is the magnitude of the gravitational force acting on the earth by the sphere? The Earth mavv ro,x 42vcdw ms/trd.35bpc0a9,cgss is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its acceler- 7nmof:qfjss .h-z rz /;5eination d: .zi- o7;/ffs5s-nzj en hrmqecreases?

  00.11: A certain particle undergoes erratic motion. At every point in its motf qsrv7 utojetgn.h8(t 2,9k8ion, the dire 8etttkugq.r 8h,j(v7sfo 2n 9ction of the particle’s momentum is ALWAYS

  17.14: A block is suspey )gsrz;9pwd1 nded in the 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 identpyzsw)r ;91gd ifies the Newton’s Third Law pair force to the force of the string on the block?

  07.18: In which one of the following situatix 0w8bz5yd ;3e-ns f,exkaq+uons is the net force constantly zeroufnzeew sx;bkq, x y83+a0d -5 on the object?

  13.28: An object is in free f2b2h ifwd5 w.nall close to the ground. A person 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 w5i2fn. hdwb2 the object’s acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equixr7s9 :*g9 wvpgs6p cuv 0eh6wlibrium has three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude w*cprupvx90 7gg9ses w :66hv of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 nepegexve:1* qem-ch 2/kc y9ae9 7tj+f wtons can be combine to form a resultant with a magnitude of whichp+c 71jhk- qxgeye/ta 2 9m v:ee*cf9e of the following

  10.06: Which of the following statements is most closm6nbzhp60 ogu q/2 ig1ely associated with Newton’io gp/ z1b gm60qh2u6ns Third Law of Motion?

  95.06: The reaction force )a olwnwkol ))xy)e3 h*cap,,does not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevat(pz .j.v)xx(;ok7irb uxdoa2p7oad :8.z qyq or is accelerating upward. Which one of the following choices best represents the Newton’s Tjzq x qoo i (ra.7pyo x:pxb;. u8va72d().kzdhird 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 speed. Which3 1btne qkw1:s7ixwqs -c)y )h one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on q ):xni bqke11tswwc)s3- y7hthe skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. T -e+volmnwo: /x,7 e5e. ecsn;h w;gnrhe batterswings and hits the ball. The magnitude of the/cs:eexln.n o; ,emr+ow-ge57hv;n w force that the ball exerts on the bat is always

  11.13: A physics book sisb1r kexkj1 o2 3p(op3ts at rest on a table. On top of the book is a calculator, also at rest. Which one of the following choik2rx pjo(1eop s 133bkces 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 experime i b7rt8kc0ub/nt related to Newton'u70rk 8 cbb/tis 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 aa 3;w txto d ole1wgpef2: ;1xl4/9sdln object were doubled while at the same time the mass of the object was halved,then the acceledspe1w x;/lt34f2x e9o ldwlg t:;o a1ration of the object is

  96.15: A car whose mass is 1500 kg ww u k:as-z,f.zh3crtq4a9h:n w9 9kdxa(et3 is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnituzae x tku-f (.hw3:9tcw:ds 9aq4hznwk93ra,de of the net force accelerating the car is:

  99.05: A tractor-trailer truck is travelinp4a08n1ptwqk) d +m vkdmq)d1g down the road. The mass of the trailer is 4 times th va1m1)mdtd) pwknpkq d8q 40+e mass of 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 9pj, hyg1e-ro tractor-trailer trucks generally accelerate much more slowly that au ,19ehp jy-grotomobiles?

  99.19: A 50 kilogram skater at rest on a 5 -5ogopij4yy ztep)(frictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Whichpe4)t-g o5zy5i poy j( statement describes the subsequent motion?

  00.13: An object near the surflr j y-z lg6l*4i 7,wg*ljgvb4ace of the earth with a weight of 100 newtons is acceljllgr y**6gv, b l7zjw-4i4g lerated 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 by0ih/om0 mt4)0 gcup jv a constant force of 2400 N. What is the speed of the car 8.0 s after beg mi m0hvgou) tp4/cj00inning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across (mvh-)tu 1 x wtoky/6hdm0u7j a rough horizontal floor before coming to res)/dwxhuy60 hm(o1vm7j ukt -t t. 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 ro) mm-10ac wpd brv91fzugh horizontal fl dc-m 1f1bp0w amv)9rzoor before coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal s/. i ldrh(v,5 t /o-wcsn8ypqdurface while a person push sd /wqyolrih8/vdt n (.,-c5pes directly to the right on the box with a force 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/s achz0 c;bkzm:w0 t0) xyccelerates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the follow;ybxcwztc0kz m00 :h) ing 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 irwcs x76q +rg8 gvlf qe:51/ofce at a speed v with its brakes locked. It then hits dr1v6 s7gg:+o/8 l fr qqfewcx5ry 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 across a patch of ice agh1 tz3j1-41ewoh9ps r0j lja t a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kineticg 91rhpj3 he0j z-1ts1 ol4jwa 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 emer7h:h2bdy9qj+ f r o:/hev c1vigency stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidde2y:b1 f 9 h+v7hei/jhocrqdv :d if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control each of thiyj,g qqva yu2k9j,)tqw34y9e following devices. Which of these devices can cause an accelerat,,qy 4qj i2ugatyq9kv)wj93 yion 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 f.ik bz3bai034zzwd s fx517d2yb9pe qud.5unewtons. About how mz y 53q z0kz19d42db ..ubufbp 3se7xiw fiad5uch 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 to the right across a horizontal floor. A person .jte6n*h s l+yd.c .picalled 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 an*.pstildne 6y. +ch j.d the box accelerates to the right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows three b. tv ++ wzyr6dff;b8eroller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionle+v+8trezf.dyw 6 f b;bssly 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. fy gv1qx26w d 44mhxn8izd8/fAssume that on all tracks the roller coasteri 86g4zv fhdqwxf/2y8x ndm41 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 cartrollsa w*6y; 1qta a-;rv+ey0hjq zg frictionlessly along the curved track from point A to point C uh0 gav;w+qyjeq;zraaty 1*-6 nder 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 dra(vc3-ohuaikff3s .;.abz8u agged across the floor by a rope which makes an su8za3;uh -bfo.ikf.3a ac( v 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 constant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed a i wsr,z;1sqs;as:i,jgainst a wall by a 100 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 friction acting on ths s;izras:,;w,sjiq 1 e block after a time of 1 second?

  05.10: A homeowner pushes xw blwq2bacr(gt62 68a lawn mower across a horizontal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly indicate the directions 2w26q 6gbxc(wbl ar 8tbut 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. Neither is moving. Which of )bwvl zjjq09z: nwk mlz 4)8g-bcv7s.the followizblj4kb:0 zgl9j)zw 8vm7cv) s.- qnw ng statements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as th(l ojh0)hm, o0l4wyi hyf9t+9hboj) oe sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for9tyhl)w 4oohohm0h(y)+jbjo, if9 l0 the crate’s increase in speedup the hill?