99.36: What happens to the inertik a b26+-oxpona of an object when its velocity is doubled?

  02.14: An intrinsic property of matter is one that doeogi(i9gjf i) ,s not depend on the quantity of matter present. Which ofi)fj io( ig9g, the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Eartmju:vl/90r lzziu x33 h. Assume the Earth has mass v0 zuzx39/j ml3: rilu$5.98 \times 10^{24} \; kg$ 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 /a,jf hh 09-x/0se0ixznbek zis in free fall near the surface of the Earth. What is the magnitude of the gravfxa/e 9s0 k0/,hnihbze x 0z-jitational 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 object’s velocity to increase while its 6dvv mr2otj ;5acceleration decreasv 2om6dt5vr;jes?

  00.11: A certain particle undergoes errati,4efov*1 qdci c motion. At every point in its motion, the directio feo4cq,d 1*vin of the particle’s momentum is ALWAYS

  17.14: A block is suspenv*v558p jltu6an+ i qcded in the air at the end of a string held by a person. The person pulls on the string uniformly accelerating the block upwarpu5 +*va nlvj 685ciqtd 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 string on the block?

  07.18: In which one of the following situations is the net force cons x7mmq,8 mjzd /+g+cvztantly zero on x7dmz8mzg+v ,qc/m+ jthe object?

  13.28: An object is in free fall cle-vb0i l vp+ke3mxcv9.1 * nceose to the ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements must ep3cvxvbem*v c-1n0 ikl +9.ebe 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 forces, F1 of 30 N, F2(x.n55 faburv of 50 N, and F3 of 70 N, acting on it. The magnitude of the .ranu x(bf5v 5resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be :; pcg.kp8yzmetn x3w g 6. q5/x0ecikcombine to form a resultant witmqy .;p8g6 cc /5.:znwi 0 3ktxkpgexeh a magnitude of which of the following

  10.06: Which of the foll ay/wrf m1+w0 qg4 p piv-i/d-+zcgzm6owing statements is most closely associated with Newton’6wd/y mav1 gi+qr04 zi--zm+cp pf w/gs Third Law of Motion?

  95.06: The reaction force does2gb3znz-/b g rp:uu+ u not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is accelerating upwp9)0v+90mj 70ukudawhjl mcy))b a s e7m9tujard. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force actin9bawp+ma mujtjc h)0s7ej0m 0 )u 7y)9kdlu9vg on the box by the Earth?

  15.15: A skydiver falls downward through the air with co(fw mlkg y:vs-:10i 8vmbwewcza,71hnstant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to thvb1g y-,0mm8wh :zl(cwf s:ae vik7 w1e air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcherrdp0(zdt*e2 ii48f zz19,j zw,yix zk with a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on the bat i zt i(4zp,firw*9y12d8xkdejz , z0zis always

  11.13: A physics book 1 h.qa/g,ff dp//n:dzt35fifvsi , zon+ky 6ksits at rest 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 /vny 1od,.3k+ gfs6i n/ 5z,k h /i:dffqfaptztable exerts on the book?

  05.06: The students in a Physics I class were in ljhsv)1*ra 6ggab conducting an experiment related to Newton's Second Law. The collected data were displayed asj )1v*hrgg 6on 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;am,35n r7omeold3r 3xz*a oz mass of the object was halved,then the acceleration of t *,7dl3oz on;o reamaxr5m3 z3he object is

  96.15: A car whose mass is 1500 kg fx* g;ox s27l qnoiassa59ji,j3m3 3xis accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitudoig9qn,x; 5 smoxx j3j 3*ssfail2a3 7e of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The -:vj9*esny xg5nzp czw1) ph,g0s9fu mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applies on the tractor i,sx1veg59n pg0ns f9z jzh*w cpy-u): s

  99.16: Which of the following principles best explains why large tvozb-mj c8.4 3nf 6touen8 r.yractor-trailer trucks generally accelerate much more sn 86ubczm4to eno8rv f. y-.j3lowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws:3 b j9z8ej)5 :padxg wplyvhxd(h/6h a 2 kilogram ball, 6bj hedh:8/gp (javpx 5d:9 3 )ywxhzlgiving the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near a yopsm5;j6j)the surface of the earth with a weight of 100 newtons is accelerated at s ;mj6p5yaoj)$4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1c*x 09.t +) uemlzlbbs200 kg is accelerated from rest by a constant force of 2400 N. What*ec+ b9 0ll)msx tzbu. 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 af+3mo dkyh+(g8xs qi 3gg6 lk: rough horizontal 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 res:fig6 ldhygo x 3km k+s+(3qg8t?

  95.38: A block with initial velocity 4.0 m/s slides 8.0 m across a roug1)gpcobdb)z 4 si8--e zvduy pb,3m2th horizontal floor before coming to rest t3v cp2bdi,4dy)b18-gpemozsu-) bz. The coefficient of friction is:

  09.21: A 20.0 kg box remainsr)p0p0w 8 d jeq14vm qwal20 hmelhje8571vvk at rest on a horizontal surface while a person pushes directly to the right on the box with a force of 60N.7 108j5ad1mvkell j e80rvw024qew v ph qmp)h 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 accelerates uwb *a.ff nn.g6niformly 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 sun.gw b.f6a*fn rface and the block?

  00.21: A car of mass m slides across a patchl 0e kavk 8hu1gq8l4s. of ice at a speed v with its brakes locked. It then hits dry pavement and skids01lq8k 48.kug elavsh 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 speed v with its brak;ga z032c9dcweb syvd v-z2y. es locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires v-z.gw0sdv23y2 9;zeac ycd b 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 aotzn/ zp67/z *1(ijs7ug.ekuhw8t ej car makes an emergency stop by slamming on the car's brakes hwp7/z76e ni(8szeo u /k jgz*1t.jutand skidding to a stop. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully cont5jg,d5ffnjr4 woiog t97g0 d) rol each of the following devices. Which of these devices can caujwfog0oi nd54)g 5d7r 9gtf, jse an acceleration 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 w9ox59tps*1sonm t i6o eight of 15000 newtons is 24000 newtons. About how much time is nmi1sox9pn 6t9 s o*5toeeded 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 called Ted ko 4: p1upbh+v*)ieqw 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 three forces exerted on the box.h p:w1)k+qi4 *bvopue

  02.27: The diagram below shows three /v/9lmiknnaj4aieu ) )3l 9 mfroller coaster tracks of equal length. Assume that on all tracks the/9)ljinlm u) i94fa me/nk3va 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 be traveling the fastest at the finish?

  02.28: The diagram below shows three rolle+ajg1 etwy 0t8r coaster tracks of equal length. Assume that on all tracks the roller coaster carts start fromwg80 at1ey+ jt 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 curved track +mcorx4+y8 upfro u 4o8+rpxmcy+m point A to 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 by a6oxt+c*rncl8i rid . 5 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 newton *xr+iicl8ot rd5cn6.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 - l q,dz )(urp+3u5mcp;ihz ocis pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static fcu+ u, q()3-chdo pzm;pil5rzriction 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 with aou+n*l5v+ je b constant speed by applying a force P. The arrows in the diagram correctly indicate the directions but not necessarily the magnitudes of the various forces on the lawn mower. Which of the following relations among*bn5v+lej uo + the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is moving. Which5z6 (hs9kp xn( nlb2r t9dr;cf of the following statements concerning this situation is CORREC rcnp9b;hk zxr 6tl52((dn9sfT?

  06.15: A crate of toys remains at res8y q)b7n v3zm-hav3z nt on a sleigh as the sleigh is pulled up a hill with an i n3bqnv - v)zh837mzayncreasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?