99.36: What happens to the inertia of .s7q2b)d q:r8o/z/c -ajasmf rpq;b wan object when its velocity is doubled?

  02.14: An intrinsic property of matter is one zmcl8 skd061lthat does not depend on the quantity of matter present. Which of 1llds k0zmc6 8the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume t ;cawvxw ck+(x 3lhz04he Earth has ma3z4c0; aw(xw+x chvklss $5.98 \times 10^{24} \; kg$ 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 Earth. What is thn/d5capz8j2w zv(w 0he magnitude of the gravitational force acting on thevh8n/czw0p z2(a5 jwd earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity tam y (.clxse*pw n,w/3o increase while its acceleration dyspm/ .(lnw e*awc3, xecreases?

  00.11: A certain particle undergo o pgjn 695cjyvpnu7.yc9 f6m.es erratic motion. At every point in its motion, the direction of the particleu 5poj9c y6m n7p. jg9ynfvc6.’s momentum is ALWAYS

  17.14: A block is suspended in the air at the e,m-* rq)syywa+x 2rc 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 Newt r2my+,a y*cr-w)eqsx on’s Third Law pair force to the force of the string on the block?

  07.18: In which one of the following situations is the net force cq9hds0n+ynp; onstantly zero on dy+9 ;snnqph0 the object?

  13.28: An object is in free fall close to the gro v7svrxioxi8py56 icz o*2i1t1d0u3.5h nmm q und. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be u. qho67i0v81 s m55c1nviyz*x 3xtp2mdii r otrue 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 forces, F1 of 30 N, F2 of 50 N, a/r 7bh4 n+j -djiqpk,wnd F3 of 70 N, acting on it. The magnitude of the resultant ofF1 and j74-brjpwqdhk ,i+/n F2 is

  01.07: A force of 6 Newton4wg9qilx6 c5jd(mz7)juk-t js and a force of 10 newtons can be combine to form a resul(zt kjd7 5 )jm 9j6wi4-xcqglutant with a magnitude of which of the following

  10.06: Which of the following statements is mostukto1-*bh) 0gq m z;n4aqr( vq closely associated with Newton’s o1h;-mrqn) uqk0qz*b a vtg(4Third Law of Motion?

  95.06: The reaction force does not can7k x.ls mw4o* p/jsvo,cel the action force because:

  14.14: A box rests on the floor of an ele9j6h/4qb u wu6r qcaw7vator. The elevator is accelerating upward. Which one of the following choice b6wc6ah7ruqqu4w9/j s best represents the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls dowo0n6kz;- u5-kpz -k7xqqr mq anward through the air with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting o0 qm6;-7ku xkkzon-r q 5zapq-n the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 35 m/s. The battee4w9 tiem9s1i b(e0uv*xfjx8 rswings and hits the ball. The magnitvfe ewj9xbui 19xs0e ti 4m8(*ude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at reskruej y1ym0b;bpoz57xo b(4 6t on a table. On top of the book is a calculator, also at rest. Which one of the following choices is the Ne;0 o(jux751orm4 pey6z b bbykwton’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 anz f9kw vj,rt8- experiment related to Newton's Second Law. The collected data jvtk,9-f8zw r 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 dbbzps:fm/ 17jsdom. - oubled while at the same time the mass ofszd: - s1m.pm/b7fbo j the object was halved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from rest to a spee5pf ; zlwi-me f.3nu(kd of 20 m/s in 10s. The mag.u 3 z-fm5ne( lfwk;ipnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass of tr7f7 ko uv:;ulhe trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applies on the f:u7 o7vkr;ultractor is

  99.16: Which of the following principles best explains why large tract,qxzrc/+ :h 9meyb7kk1g eq,ov1 5t0 +hhifoxor-trailer trucks generally accelerate much more slowly thaxyhhf 1okoqc0b/qt5,x9g re ke7, 1m+z+:h vit automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throvfli8(kzto3y,utksko0e :dvk) 3 io.zb8*v6 ws a 2 kilogram ballz lo 88 3o ve(fzykvut0o6k,.vi*tsdk ):ib 3k, giving the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 100 rh4 lyhau7p,8u qt5ujy of.- s:2jio4newtons is acu fas,olpi2j-tuh 7y4 jo:8.h5qyu 4rcelerated 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 constant forc- hix(p6y.nmnnyf h //e of 2400 N. What is the speed of the car 8.0 -h6nmh(y/xnyn /. ifps after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a t)zrcigdtgl 8gos12b6( 7b 4n rough horizontal floor before coming to rest. The frictional force acting on the block is 3.0 N. How far does the block2i4g1ts (z 7bco)86d glbrngt slide before coming to rest?

  95.38: A block with initial velocity 4.0 m/s slides 8.0 m acgc jz*il/ .5hwei-plf0av:* nross a rough horizontal floorj*h- *c/.p5ivl0n g: elfziw a before coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a pers 9ryel7r:j;np on pushes directly to the right on the box with a force of 60N. The pr:ejy7rl n9 ;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 accelerates unim18gk9cqd3 ;yulqxt, formly 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 between the gqcu kymx;3t98 qd,l 1surface and the block?

  00.21: A car of mass mp whhb72e(:2ky02mvw1 ocp qc slides across a patch of ice at a speed v with its brakes locked. It :1vhcb y227( 0 qop ep2wkhmwcthen 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 across a patch of ice at a speek :xr6 +(dgkugd v with its brakes locked. It then:d g6rk(xkg+ u 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 speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emeze+), vm4tefn4r ww8f rgency stop by slamming on the car's brakes and skidding to a stenewv,fwm f4 z)+8 rt4op. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefueb(ub yege w46s(2k1f lly control each of the following devices. Which of these devices can cause an accelerationy 2gse1bbew((6fu k4e in a moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket ip a+ qmeke/ygno 99 .q6pz vr7b-qt81with a weight of 15000 newtons is 24000 newtons. About how muchto qa.6bq7 891mp/pki 9z veyqn+g-e r 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 horizon6)t:uatz p/aztal floor. A person called Ted exerts a force T to the right on the box. A person called Mario exerts a forcez 6tuztpa:/)a 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 three forces exerted on the box.

  02.27: The diagram below shows 3xr9(vtmmye8*npv a ,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 fri ,r3mmevt xnay*9vp(8ctionlessly 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 coasterh8h(fnk f8;+ya a7cf cjp(-zm tracks of equal length. Assume that on all tracks t-fzha+ffp7nck(j ha y;(m8 8 che 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 ro5n0cyz, lys ert+qn /-llercoaster cartrolls frictionlessly along the curved track from point A to point C under the influence of z lr/,+y-5ytq 0cesnn gravity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of kctc nk,4 tl.450 kg is dragged across the floor by a rope which makes an angle of 300 with the hori,t knl4cc t4.kzontal. 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 against a walli;tw)5r2 fym t.zhpg+ixn;t: 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 frictionix.nz+f; h)pty; r:gti5mw t2 acting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizontal patch of grass wit 4;/nanjp3bbzg0ky8 e h a constant speed by applying a force P. The arrows in the diagram cor4 ejpa8bzk/; 0ng n3ybrectly 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 tablu06dfc6;b3 2rgos tuu e. Neither is moving. Which of the followg;ru6 ubu62 tfcd0 3osing statements concerning this situation is CORRECT?

  06.15: A crate of toys remains at re3;;ou4yl ebukkr44 lqst on a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hillkur k;qb4y l4lu 3e4o;?