99.36: What happens to the inertia of an object when its velocity is-om-j v kt;6ea doubled?

  02.14: An intrinsic property of matter is one that doh)87 nbm9 q)huxd hn2qes not depend on the quantity of matter present. Which o qdm2u7q)h)hhx9nn b 8f the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder restqg:eat7)bk;h) - obma s on the surface of the Earth. Assume the Earth has mass )heg7;ba ot:m)-aqbk $5.98 \times 10^{24} \; kg$ 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 )n 6gl* :ju6jqweul k6the Earth. What is the magnitude of the gravitational force acting on the earth by thek e n6u)l wql:*jj66ug sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its accele/znalsvv2e.y *q*+ spqnr ( 6tnur:p0ration decreases/sp+qpv( e n vlr.62:sayrn0qzt**un?

  00.11: A certain particle undergoes erratic motion. At everyjjgma ky0mqk +mvx5 eb6g+(39 point in its motion, the direction of t9qmkxb k+e jyj56 +vgm(mg30 ahe particle’s momentum is ALWAYS

  17.14: A block is suspended in ozq(.l bs d;y sq36e5lthe 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 Thirdd;( l5y6 qsle3zbq s.o Law pair force to the force of the string on the block?

  07.18: In which one of the following situations is the5soncfd1ojk;) u .,we net force constantly zero ond,ofnc o51usk )j;. we the object?

  13.28: An object is in free fall close to the ground. A persc2wud( 3zt0gton 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 the object’s acceleration is a and the magnitudez0w3d ttcg2( u of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces, F1 of 30 N, F2 .sy oj9tp y3h,of 50 N, and F3 of 70 N, acting on it. The.js3 9hoyt yp, magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newton+tby4iapv xiv) 5 3z2js can be combine to form a resultant with a magnitu4 2iz3 p5)a+iv jxybvtde of which of the following

  10.06: Which of the following stat+ss gb.5m,g qpbe /x;tements is most closely associated with Newton’s Tqb.; ,sgmx5s ptg+ eb/hird Law of Motion?

  95.06: The reaction force does not cancel the action forcq64lj4l mvc5kl7vt wni+jg +.e because:

  14.14: A box rests on the floor of aztn777kg pcxu4 (kve 9n elevator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force actin7gp(cvnk 4x7e97zkut g on the box by the Earth?

  15.15: A skydiver falls downward through the air with conbs 7+j8ehbm q4stant speed. Which one of th8hjbb7m4se q+ e following 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 pitcz0wy *.sqqvu8/xxk y/;oilm 8her with a speed of 35 m/s. The batterswings and hits the ba8oui *qyx /;0smw8xq vz./k lyll. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at rest on a table. On (ig(f aauhm-3top 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 exerts on th ( a-(3uhaimfge book?

  05.06: The students in a Physics I class were in lab conducting an experi0+n :kvwtqje.m*+d usment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the students+nvkqj.*t 0w: es +udm make?

  99.03: If the net force on an object we3; om1qr 1b8(gus*ip3mdl juvre doubled while at the same time the mass of the object was3u 8mosd( pm*1;rbv13ui qlgj halved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from repx-x-dxj,3(ps:as ve st to a speed of 20x-a p(3 s-x,: vjspxde m/s in 10s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the roads-9yp6io 8lq amd7 qa.. The mass of the trailer is 4 times the mass of the tractor. If the tra d osa8q76 qmyialp-9.ctor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles bpw:8vqz5 8ag1:cgghkest explains why large tractor-trailer trucks generally accelerate much more slowly that autovwk8zg :a1g5 gqc:hp8 mobiles?

  99.19: A 50 kilogram skater a/rytp:tal1+b3 s r ro8t rest on a frictionless rink throws a 2 kilogram ball, giving the ball a v/p tb8a:s r13yto rrl+elocity 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 h bpliv8i5j 0xe/(k0r 100 newtons is accelerr ljxv5/bhi80(0e pki ated 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 z8)jr , o2y0f4ud mbw 9 5c-lvozwdd8sby a constant force of 2400 N. What is zl828dz bro 0u ,c9-)dvd wym4sowj5f 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 horij)kc; krywh 0x oj d:/s1*ge)kzontal floor before coming to rest. The frictional force acting on the block is 3.0 N.1grekky *):w xcsd;0oh/ j)kj How far does the block slide before coming to rest?

  95.38: A block with initial velocity 4.0 m/s slides nxr rh/79( s 1oh(kv/gy)gqhw8.0 m across a rough horizontal floor before coming to rest. The coefficient of frictioo(yg7sw/qr)x( h9r hkhgv1 n/n is:

  09.21: A 20.0 kg box remains rsr9j:fk) (xmi;)nf1i no4dx( e:w daat rest on a horizontal surface while a person pushes directly to the right on the boxf (ie9mf );:oari d)d:jsn 41xr(k xwn 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 initialt.s42 ip2bg daly moving at 8 m/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 between the surface and the blocpt.gi4a s22db k?

  00.21: A car of mass m slides across a patch /cvj *og/wns7t6i, h pzc, d6gof 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 th*j6t/wg67,ivc s co,z gdnp/ he 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 across6b;eea1rc cs k9qt:+ v a patch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a dic6;b1+e 9:tcqk evsarstanced. 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 stop by slamming on the car's b 2lz9lpke nf.z+3b7m)d md8 rbrakes and skidding to a stop. How far would the car have skidded if it had been traveling twice as dmkmn9d.bz)2zrel738+p b l ffast?

  99.39: The driver of an au d,v*(7 yf e0flonypv6h2m7kmtomobile must carefully control each of the following devices. Which of these devices can cause an acceleration in epd( yo2 n7 mvh0*y,fv7kfml6a 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 oc - 0gqyjt5zgm,4je6newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 m/s near the surfajgje-z g coy0tq 465m,ce of the Earth at takeoff?

  07.21: A box slides to the right across a horizontal/p+2 to*-g xjdo4+g:j v uztht floor. A person called Ted exjxdgtz+v o2 gtu4*tho-p +:j/ erts 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 three forces exerted on the box.

  02.27: The diagram below shows three roll *li1jrllnh 1-er coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly ji1 1nllh*rl- 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 ep .utahmj8-;ik .i;v iqual length. Assume that onh pi;tk;vima i-j. 8u. all tracks the 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 rollercoaster cartrolls frictionlessly along the cur.: y ij;t auhr0fx-2hvved track from point A to02v:ha;xiy .r-jft uh point C under 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 dragged across the floor 0p/wkqo ut422 sd*iquby a rope which make*u42i qd wq/ uk0tpso2s 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 constant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg block initially at re ca.2xkhyi q3:st is pushed against a wall by a 100 N forceqxi:c3ka.h 2y 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 the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizontal patch of gra,xcy;e,zy24r b msu f9ss with a constant speed by applying a force P. The arrows in the diagrsc;9,m bfrxe4y2yz,u am correctly 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. Neither is mozwvap)*,- f2b;pi m3cj vxr1mving. Which of the following statements concm*rjvvpwz 1 a p,23c-bimfx) ;erning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleqr8d14lpm. n xigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh8.l rmn 41dpqx. What force is responsible for the crate’s increase in speedup the hill?