99.36: What happens to the inertia of an oz czc:;x /ry6xbject when its velocity is doubled?

  02.14: An intrinsic property of matter i :x d1/f+:ougzy erg+hs one that does not depend on the quantity of matter py/ odg: rh gfx+euz+1:resent. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume the Earth ha3bucn t68z.lgs mass6b z38gn.u tcl $5.98 \times 10^{24} \; kg$ 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 n* hok0j eo,1g, lh/yfrear the surface of the Earth. What is the ma 0yrhkl*,1h gfo/o, ejgnitude of the gravitational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an64v0u cug1ken object’s velocity to increase while its acceleration de6 cu04ekgun1vcreases?

  00.11: A certain particle undergoes erratic motion. At every point in i 87pntq)qeykxr 47 fn99zuc8tts motion, the direction of the particle’s momentum is ALWuz9qtt9 8fpy4)nnx8 ec rk7q7AYS

  17.14: A block is suspended in the air at the end of a string held by a persom ,lkfo7oys1, w6p0 dvn. 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 Thimsvow , dp1,lk6o70 yfrd 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 constantly zeo/s3bl 3-x oaaro on the a-xsoba3l/ o3object?

  13.28: An object is in free fall clos l,5o66cncr e51x ukwce 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 ofccl nc exrw ,uok56165 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 thre-1mn i,e) kf*u absm2x-pfmj) e forces, F1 of 30 N, F2 of 50 N, and F3 of 70m, -e -sbnfij*))x1m mpakf2u N, acting on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to oocce o(65h m) u/cd z-26xhmuform a resulta2/h )ccmo( h5cxud 6o6o-zeu mnt with a magnitude of which of the following

  10.06: Which of the followinxu- ubmo 5-3 a6u1*x/gwyujpeg statements is most closely associated with Newton’s Third Law ofju6e5gobyux amu /-u *3x1pw- Motion?

  95.06: The reaction force does not cancel the action force becauseawomq 8 o)*jg4 4yby oiut+9j:9 lm+xx:

  14.14: A box rests on the floor of an elevatots;k,78w.n cy(cgo aw r. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on the8,n.k swoa(7wgtc c;y box by the Earth?

  15.15: A skydiver falls downward th f++vl,mm l,urrough the air with constant speed. Which one of the following choices correctly desc lr,mv+ l+um,fribes 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 speed of 3t3cl7( ,v kwti5 m/s. The batterswings and hits the ball. The magnitude of k37lit(vtc,wthe force that the ball exerts on the bat is always

  11.13: A physics books0pdkba1 63ae sits 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 th3esk ad6bp01ae force that the table exerts on the book?

  05.06: The students in a Physic 1v4ypnp. giyjs+9smfs 2kh.5 s I class were in lab conducting an experiment related to Newton' +kpyn1.v9msy52sp hgsi4 .jfs 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 an ob3ls d s)+zjzc3b5j.s-w g eyz c(rmd i4r/.*rtject were doubled while at the same time the mass of the object was halved,then the acc cr5t ecgl+dbr z.(sy. r3*ji zzs-mj3)wd/s 4eleration of the object is

  96.15: A car whose mas1a0)g i33 jgrzc ih9b kg.ii51 tf9czws is 1500 kg is accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude ofta gigkj99 gc ir1z0 icb5 h)z.f31w3i the net force accelerating the car is:

  99.05: A tractor-trailer truck is travel752q12kx:,g*bdr /t:tupyt gy ruk zh ing down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates fok2/ tz,y57p1tuq*td:rbyr x u2h kg g:rward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why largc87iobc t,+ lje tractor-trailer truck lbc+otcij78,s generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throzu 5y/r+a1s lo8t btb .3u;nn,0lckqrws a 2 kilogram ball, giving the ball a velocit0ln bot n,slu b53kqcryt1za;r+u./8y 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 newtons is ax(/p.cygcoa,3 cj r+m cceleratedcaoj/(,3g+cm rpxy .c 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 fo7-)5fgo7wnqyo j11bahg o1/ f ov3dnbrce of 2400 N. Wh7g-dh1gqf/oyab5 ) 3n b fj1o1onw7voat 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 acro/3mvc;ihr l6 8w0ef;iph6nk fss a rough horizontal floor before coming to rest. The frictional fori 8r p;hin6;mcvf el6h3/kf 0wce 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 rough hor i37+hy (pw,/ cu*5u rknlraeqizontal floor before coming to rest. The coefficient of fricti,rn3*h r+y7 /qwapc5uil(ukeon is:

  09.21: A 20.0 kg box remains at resq4x:z 6:v 1dhhvefi xz4u sy51t on a horizontal surface while a person pushes directly to the right ox5dv:: 6svh zifz41h 4ueyxq1n 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 mxz) f -8pys)gzagnx.n 5b2qv -.gdxow6ff(p:oving at 8 m/s accelerates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m pzz8 .n gyovxxf 2gfnsdx (q-f )6 gb:ap.5)-wduring 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 slides across a patch of ice at a speed v with its brai: c (dty1mhnk8 plr 87hel7s(kes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction y ( s8(nl7 e7rhmcpthi d:kl18between 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 ux*o.;(ho zrmcvos)ob( 1 j-bice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distance z.;j*h r1mbovx ousb( o()co-d. 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 em* mao13 6azrrv7oeo u8+w;ti bergency stop by slamming on the car's brakes and skidding to a stop. How far would the car have skiddea3uztob;6 r wv7oio* rme+8a1d if it had been traveling twice as fast?

  99.39: The driver of an automobile must k 8e9*ikd0oix- rad(a carefully control each of the following ad kaki8 xr9o(*- dei0devices. Which of these devices can cause 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 weight of 15000 newtons is 24 b-ru4)s()p 2rzbtwbca gyo1 *000 newtons. About how much time is needed to inc)-s1rpb oc4z w 2rtuby (*bga)rease 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. 124 hbgn/pft( 9udcb.h ;m+9fq zoc swA 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 three forces exesh zn12d/g +.f9tbc9 q ow b4p(fc;uhmrted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal lenggb8 8 sszdg2c3th. Assume that on all tracks the rollesgd s38zgb82 cr 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 roller coaster tracks h+ tyxdyw; ya en:5s,.w0n5b y3iz :xvof equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the hx+ yeb 5y3vzytnwiw0:a 5x.y:ns; d,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 trackm kio* dwa862k from point A to point C under the influence of gravity. What would be the direction of the cart's acceleration at poiw2do6mk8*a k int

  02.40: A box with a mass of 50 kg is dragged across the floor by a rope wh8 tpbynapq5 f)t7rn7;;*uu iiich makes an angle of 300 with the horizontal. Which of the following would be closest t5y;q n ibfapip *ntt8) 7uu7r;o 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 i6glduln l+(d5u1 *pht nitially at rest is pushed against 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 the block after a time of 1 second?puddl lun+ th6(51l *g

  05.10: A homeowner pushes a lawn mower across a horizontal patch oditub,+77p( yzimsm kb( i.9pf grass with a 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 ty,.ib9ibs 7kz+( tp(m m7du iphe various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a cratvxn*j1 6 /iiixe on a table. Neither is moving. Which of the following statements concerning this situation iji v 6/ix*n1xis CORRECT?

  06.15: A crate of toys remains at rest on a sleigh as the sleiglk4 k .vq,wu8bh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. .kqk,wu 4vlb8 What force is responsible for the crate’s increase in speedup the hill?